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AND GREENSTEIN,J.L. 1959, ASTROPHYS.J. 129,700. 2|PAGEL,B.E.J. 1965, ROY.OBSERV.BULL. 104. 3|WALLERSTEIN,G. 1962, ASTROPHYS.J.SUPPL. 6,407. 4|CAYREL,G. AND CAYREL,R. 1963, ASTROPHYS.J. 137,431. 5|PAGEL,B.E.J. 1964, ROY.OBSERV.BULL. 87. 6|HELFER,H.L. AND WALLERSTEIN,G. 1964, ASTROPHYS.J.SUPPL. 9,81. 7|BASCHEK,B. 1959, Z.ASTROPHYS. 48,95. 8|KEGEL,W.H. 1962, Z.ASTROPHYS. 55,221. 9|KODAIRA,K. 1964, Z.ASTROPHYS. 59,138. 10|BASCHEK,B. 1965, Z.ASTROPHYS. 61,27. 11|CHAMBERLAIN,J. AND ALLER,L.H. 1951, ASTROPHYS.J. 114,52. 12|WALLERSTEIN,G. AND CONTI,P.S. 1964, ASTROPHYS.J. 140,858. 13|HAZELHURST,J. 1963, OBSERVATORY 83,128. 14|WALLERSTEIN,G.,GREENSTEIN,J.L.,PARKER,R.,HELFER,H.L. AND ALLER,L.H. 1963, ASTROPHYS.J. 137,280. 15|BURBIDGE,E.M. AND BURBIDGE,G.R. 1957, ASTROPHYS.J. 126,357. 16|WARNER,B. 1965, MONTHLY NOTICES ROY.ASTRON.SOC. 129,263. 17|DANZIGER,I.J. 1965, MONTHLY NOTICES ROY.ASTRON.SOC. 131,51. 18|WALLERSTEIN,G. AND GREENSTEIN,J.L. 1964, ASTROPHYS.J. 139,1163. 19|HERBIG,G.H. 1965, ASTROPHYS.J. 141,588. 20|RODGERS,A.W. AND BELL,R.A. 1963, OBSERVATORY 83,79. 21|SCHWARZSCHILD,M.,SCHWARZSCHILD,B.,SEARLE,L. AND MELTZER,A. 1957, ASTROPHYS.J. 125,123. 22|PAGEL,B.E.J. 1963, OBSERVATORY 83,133. 23|CHAFFEE,F.H.,CARBON,D.F. AND STROM,S.E. 1971, ASTROPHYS.J. 166,593. 24|HACK,M. 1958, MEM.SOC.ITAL. 29,263. 25|GREENSTEIN,J.L. AND KEENAN,P.C. 1958, ASTROPHYS.J. 127,172. 26|PAGEL,B.E.J. 1963, J.QUANTIT.SPECTROSC.RADIAT. 3,139. 27|HEISER,A.M. 1960, ASTROPHYS.J. 132,506. (CONTR.MCDONALD OBS.NO.327) 28|WALLERSTEIN,G. AND HELFER,H.L. 1959, ASTROPHYS.J. 129,347. 29|HELFER,H.L.,WALLERSTEIN,G. AND GREENSTEIN,J.L. 1960, ASTROPHYS.J. 132,553. 30|PARKER,R.,GREENSTEIN,J.L.,HELFER,H.L. AND WALLERSTEIN,G. 1961, ASTROPHYS.J. 133,101. 31|WALLERSTEIN,G. AND HELFER,H.L. 1961, ASTROPHYS.J. 133,562 32|KONDO,M. 1957, PUBL.ASTRON.SOC.JAPAN 9,201. 33|STICKLAND,D.J. 1972,MONTHLY NOTICES ROY.ASTRON.SOC. 159,29P. 34|GRATTON,L. 1953, MEM.SOC.ROY.SCI.LIEGE 14,419. 35|JUGAKU,J. (PRIVATE COMMUNICATION) 36|WALLERSTEIN,G. AND HUNZIKER,W. 1964, ASTROPHYS.J. 140,214. 37|HELFER,H.L.,WALLERSTEIN,G. AND GREENSTEIN,J.L. 1963, ASTROPHYS.J. 138,97. 38|ALLER,L.H. AND GREENSTEIN,J.L. 1960, ASTROPHYS.J.SUPPL. 5,139. 39|CAYREL DE STROBEL,G. 1964 IAU SYMP. 26,294 . 40|WALLERSTEIN,G. AND HELFER,H.L. 1959, ASTROPHYS.J. 129,720. 41|CAYREL DE STROBEL,G. 1966, ANN.ASTRON. 29,413. 42|KOELBLOED,D. 1967, ASTROPHYS.J. 149,299. 43|HELFER,H.L. AND WALLERSTEIN,G. 1968, ASTROPHYS.J.SUPPL. 16,1. 44|COHEN,J.G. 1968, ASTROPHYS.J. 154,179. 45|DANZIGER,I.J. 1966, ASTROPHYS.J. 143,527. 46|PAGEL,B.E.J. AND POWELL,A.L.T. 1966, ROY.OBS.BULL.124. 47|GRIFFIN,R. 1969, MONTHLY NOTICES ROY.ASTRON.SOC. 143,381. 48|EDMONDS,F.N.JR. 1965, ASTROPHYS.J. 142,278. 49|YAMASHITA,Y. 1964, PUBL.DOM.ASTROPHYS.OBS.VICTORIA 12,455. 50|CAYREL DE STROBEL,G. 1968, ANN.ASTRON. 31,43. 51|SPITE,M. 1968, ANN.ASTRON. 31,269. (THESIS 1968) 52|GRIFFIN,R. AND GRIFFIN,R. 1967, MONTHLY NOTICES ROY.ASTRON.SOC. 137,253. 53|SPITE,M. 1967, ANN.ASTRON. 30,211. 54|SPITE,M. 1969, ASTRON.ASTROPHYS. 1,52. 55|SPITE,M. 1967, ANN.ASTRON. 30,685. 56|HARMER,D.L. AND PAGEL,B.E.J. 1969, NATURE 225,349. 57|CATCHPOLE,A.M.,PAGEL,B.E.J. AND POWELL,A.L.T. 1967, MONTHLY NOTICES ROY. ASTRON.SOC. 136,403. 58|COHEN,J.G. AND STROM,S.E. 1968, ASTROPHYS.J. 151,623. 59|BASCHEK,B.,HOLWEGER,H.,NAMBA,O. AND TRAVING,G. 1967, Z.ASTROPHYS.65,418. 60|GRIFFIN,R. 1969, MONTHLY NOTICES ROY.ASTRON.SOC. 143,223. 61|HEARNSHAW,J.B. 1974, ASTRON.ASTROPHYS. 34,263. 62|HEARNSHAW,J.B. 1974,ASTRON.ASTROPHYS. 36,191. 63|HEARNSHAW,J.B. 1973, ASTRON.ASTROPHYS. 29,165. 64|MERCHANT,A. 1966, ASTROPHYS.J. 143,336. 65|STROM,S.E. AND STROM,K.M. 1966, ASTRON.J. 71,181. 66|NISHIMURA,S. 1966, COLLOQUIUM ON LATE-TYPE STARS 125. 67|ADELMAN,S.J. AND SARGENT,W.L.W. 1972,ASTROPHYS.J. 176,671. 68|WARREN,N. AND PEAT,D.W. 1972,ASTRON.ASTROPHYS. 17,450. 69|KODAIRA,K. 1973, ASTRON.ASTROPHYS. 22,273. 70|CONTI,P.S. AND STROM,S.E. 1968, ASTROPHYS.J. 152,483. 71|BUTCHER,H.R. 1972,ASTROPHYS.J. 176,711. 72|KODAIRA,K.,GREENSTEIN,J.L. AND OKE,J.B. 1969, ASTROPHYS.J. 155,525. 73|FARAGGIANA,R. AND VAN'T VEER-MENNERET,C. 1971, ASTRON.ASTROPHYS. 12,258. 74|SPINRAD,H. AND LUEBKE,W.R. 1970, ASTROPHYS.J. 160,1141. 75|POWELL,A.L.T. 1970, MONTHLY NOTICES ROY.ASTRON.SOC. 148,477. 76|SNEDEN,C. 1973, ASTROPHYS.J. 184,839. 77|PATCHETT,B.E.,MCCALL,A. AND STICKLAND,D.J. 1973, MONTHLY NOTICES ROY. ASTRON.SOC. 164,329 78|WILLIAMS,P.M. 1973, MONTHLY NOTICES ROY.ASTRON.SOC. 162,235. 79|WOLFFRAM,W. 1972,ASTRON.ASTROPHYS. 17,17. 80|FRENCH,V.A. AND POWELL,A.L.T. 1970, ROY.OBSERV.BULL.GREENWICH 173. 81|SIEVERS,H.C. 1969, PUBL.ASTRON.SOC.PACIFIC 81,33. 82|BURBIDGE,G.R. AND BURBIDGE,E.K. 1956, ASTROPHYS.J. 124,130. 83|BALL,C. AND PAGEL,B.E.J. 1967, OBSERVATORY 87,19. 84|GRIFFIN,R. 1971, MONTHLY NOTICES ROY.ASTRON.SOC. 155,139. 85|ALEXANDER,J.B. 1967, MONTHLY NOTICES ROY.ASTRON.SOC. 137,41. 86|HEARNSHAW,J.B. 1972,MEM.ROY.ASTRON.SOC. 77,55. 87|HEARNSHAW,J.B. 1971, ASTROPHYS.J. 168,109. 88|PROVOST,J. AND VAN'T VEER-MENNERET,C. 1969, ASTRON.ASTROPHYS.2,218. 89|PAGEL,B.E.J. 1966, COLLOQUIUM ON LATE-TYPE STARS 133. 90|ZIELKE,G. 1970, ASTRON.ASTROPHYS. 6,206. 91|FALIPOU,M.A. 1973, ASTRON.ASTROPHYS. 22,445. 92|HACK,M. 1960, MEM.SOC.IT. 31,279. 93|ALLER,L.H. AND ROSS,J.E. 1970, ASTROPHYS.J. 161,189. 94|ALLER,L.H. AND ROSS,J.E. 1967, MAGNETIC AND RELATED STARS 339. 95|ALLER,M.F. 1972,ASTRON.ASTROPHYS. 19,248. 96|TOMKIN,J. 1972,MONTHLY NOTICES ROY.ASTRON.SOC. 156,349. 97|STROM,S.E.,GINGERICH,O. AND STROM,K.M. 1966, ASTROPHYS.J. 146,880. 98|SPITE,M. AND SPITE,F. 1973, ASTRON.ASTROPHYS. 23,63. 99|BLANC-VAZIAGA,M.J.,CAYREL,G. AND CAYREL,R. 1973, ASTROPHYS.J. 180,871. 100|PRADERIE,F. 1968, ANN.ASTRON. 31,15. 101|KAUFMANN,J.P.,SCHONBERNER,D. AND RAHE,J. 1974, ASTRON.ASTROPHYS. 36,201. 102|CHROMEY,F.R. 1969, ASTROPHYS.J. 158,599. 103|PRZYBYLSKI,A. AND BURNICKI,A. 1974, ACT.ASTRON.24,275. 104|PETERS,G.J. AND ALLER,L.H. 1970, ASTROPHYS.J. 159,525. 105|HARDORP,J. AND SCHOLZ,M. 1970, ASTROPHYS.J.SUPPL. 19,193. 106|KODAIRA,K. AND SCHOLZ,M. 1970, ASTRON.ASTROPHYS. 6,93. 107|GEHLICH,U.K. 1969, ASTRON.ASTROPHYS. 3,169. 108|LEE,P. 1974, ASTROPHYS.J. 192,133. 109|WARNER,B. 1966, MONTHLY NOTICES ROY.ASTRON.SOC. 133,389. 110|ADELMAN,S.J. 1973, ASTROPHYS.J. 182,531. 111|HUNDT,E. 1972,ASTRON.ASTROPHYS.21,413. 112|VAN PARADIJS,J. AND DE RUITER,H. 1973, ASTRON.ASTROPHYS.20,169. 113|RODGERS,A.W. 1969, MONTHLY NOTICES ROY.ASTRON.SOC. 145,151. 114|PRZYBYLSKI,A. 1972,MONTHLY NOTICES ROY.ASTRON.SOC. 159,155. 115|PRZYBYLSKI,A. 1969, MONTHLY NOTICES ROY.ASTRON.SOC. 146,71. 116|WOLF,B. 1971, ASTRON.ASTROPHYS. 10,383. 117|STROM,S.E.,GINGERICH,O. AND STROM,K.M. 1968, OBSERVATORY 88,160. 118|ENGIN,S. 1974, ASTRON.ASTROPHYS. 32,93. 119|SCHOLZ,M. 1967, Z.ASTROPHYS. 65,1. 120|REGO,M.E. 1970, URANIA 271,3. 121|FERNANDEZ-FIQUEROA,M.J. 1973, URANIA 277,3. 122|LATHAM,D.W. 1970, SMITHSON.INST.ASTROPHYS.OBS.RES.SPACE SCI.REP. 321. 123|SMITH,M.A. 1971, ASTRON.ASTROPHYS. 11,325. 124|SMITH,M.A. 1974, ASTROPHYS.J. 189,101. 125|SMITH,M.A. 1973, ASTROPHYS.J.SUPPL. 25,277. 126|BAKOS,G.A. 1971, J.ROY.ASTRON.SOC.CAN. 65,222. 127|ENGIN,S. 1974, IN PRESS. 128|BELL,R.A. AND BRANCH,D. 1971, MONTHLY NOTICES ROY.ASTRON.SOC. 153,57. 129|PRZYBYLSKI,A. 1968, MONTHLY NOTICES ROY.ASTRON.SOC. 139,313. 130|STROM,S.E.,STROM,K.M. AND SARGENT,W.L.W. 1970, ASTROPHYS.J. 157,1265. 131|WARREN,P.R. 1973, MONTHLY NOTICES ROY.ASTRON.SOC. 161,427. 132|VAN PARADIJS,J. 1973, ASTRON.ASTROPHYS. 23,369. 133|KRIZ,S. 1966, BULL.ASTRON.INST.CZECH. 17,175. 134|ZVERKO,J. 1968, BULL.ASTRON.INST.CZECH. 24,71. 135|HARMER,D.L.,PAGEL,B.E.J. AND POWELL,A.L.T. 1970, MONTHLY NOTICES ROY. ASTRON.SOC. 150,409 136|KIPPER,T. 1969, PUBL.TARTU ASTR.OBS. 36,227. 137|ENGIN,S. 1974, ASTROPHYS.SPACE SCI. 29,343. 138|STROM,S.E.,STROM,K.M. AND CARBON,D.F. 1971, ASTRON.ASTROPHYS. 12,177. 139|GLEBOCKI,R. 1972,ACT.ASTRON. 22,141. 140|WILLIAMS,P.M. 1974, MONTHLY NOTICES ROY.ASTRON.SOC. 167,359. 141|WALLERSTEIN,G.,STONE,Y.H. AND WILLIAMS,J.A. 1962, ASTROPHYS.J. 135,459. 142|ADELMAN,S.J. 1973, ASTROPHYS.J. 183,95. 143|CONTI,P.S. AND LOONEN,J.P. 1970, ASTRON.ASTROPHYS. 8,197. 144|AUER,L.H. 1964, ASTROPHYS.J. 139,1148. 145|CONTI,P.S. AND STROM,S.E. 1968, ASTROPHYS.J. 154,975. 146|ZIMMERMANN,R.E.,ALLER,L.H. AND ROSS,J.E. 1971, ASTROPHYS.J. 161,179. 147|KODAIRA,K.,GREENSTEIN,J.L. AND OKE,J.B. 1970, ASTROPHYS.J. 159,485. 148|SELIGMAN,C.E. AND ALLER,L.H. 1970, ASTROPHYS.SPACE SCI. 9,461. 149|HACK,M. 1969, ASTROPHYS. SPACE SCI. 5,403. 150|PERRIN,M.N.,CAYREL,R. AND CAYREL DE STROBEL,G. 1975, ASTRON. ASTROPHYS. 39,97 151|OINAS,V. 1974, ASTROPHYS.J.SUPPL. 27,405. 152|FOY,R. 1974, THESIS. 153|BELL,R.A. AND RODGERS,A.W. 1965, MONTHLY NOTICES ROY.ASTRON.SOC. 129,127. 154|STICKLAND,D.J. 1973, MONTHLY NOTICES ROY.ASTRON.SOC. 161,193. 155|HUNGER,K. 1960, Z.ASTROPHYS. 49,129. 156|GREENSTEIN,J.L. 1948, ASTROPHYS.J. 107,151. 157|TOMLEY,L.J.,WALLERSTEIN,G. AND WOLFF,S.C. 1970, ASTRON.ASTROPHYS. 9,380. 158|DUFTON,P.L. 1973, ASTRON.ASTROPHYS. 28,267. 159|KOHL,K. 1964, Z.ASTROPHYS. 60,115. 160|STROM,K.M. 1969, ASTRON.ASTROPHYS. 2,182. 161|HARDORP,J. 1966, Z.ASTROPHYS. 63,137. 162|HARDORP,J.,BIDELMAN,W.P. AND PROLSS,J. 1968, Z.ASTROPHYS. 69,429. 163|HENSBERGE,H. AND DE LOORE,C. 1974, ASTRON.ASTROPHYS. 37,367. 164|GRIFFIN,R. 1975, MONTHLY NOTICES ROY.ASTRON.SOC. 171,181. 165|CAYREL DE STROBEL,G. AND PASINETTI,L.E. 1975, ASTRON.ASTROPHYS. 43,127. 166|ZVERKO,J. 1970, BULL.ASTRON.INST.CZECH.21,56. 167|WRIGHT,K.O. 1951, PUBL.DOM.ASTROPHYS.OBS.VICTORIA 8,1. 168|YAMASHITA,Y. 1965, PUBL.ASTRON.SOC.JAPAN 17,55. 169|VAN'T VEER-MENNERET,C. 1963, ANN.ASTRON. 26,289. 170|DANZIGER,I.J. 1966, ASTROPHYS.J. 143,591. 171|BUSCOMBE,W.,CHAMBLISS,C.R. AND KENNEDY,P.M. 1968, MONTLY NOTICES ROY. ASTRON.SOC. 140,369 172|AYDIN,C. 1972,ASTRON.ASTROPHYS. 19,369. 173|VAN PARADIJS,J. AND MEURS,E.J.A. 1974, ASTRON.ASTROPHYS. 35,225. 174|BASCHEK,B. AND SEARLE,L. 1969, ASTROPHYS.J. 155,537. 175|KONDO,Y. AND MAC CLUSKEY,G.E. 1969, ASTROPHYS.J. 156,1007. 176|TOY,L.G.S. 1969, ASTROPHYS.J. 158,1099. 177|HYLAND,A.R. AND MOULD,J.R. 1974, ASTROPHYS.J. 187,277. 178|GREENE,T.F.,PERRY,J.,SNOW,T.P. AND WALLERSTEIN,G. 1973, ASTRON. ASTROPHYS. 22,293 179|GUTHRIE,B.N.G. 1966, ROY. OBSERV.EDINBURGH 5,181. 180|GUTHRIE,B.N.G. 1966, ROY.OBSERV.EDINBURGH 6,1. 181|MACKLE,R.,HOLWEGER,H.,GRIFFIN,R. AND GRIFFIN,R. 1975, ASTRON. ASTROPHYS. 38,239 182|HILL,P.W. 1965, MONTHLY NOTICES ROY.ASTRON.SOC. 129,137. 183|ALLER,L.H. AND BIDELMAN,W.P. 1964, ASTROPHYS.J. 139,171. 184|BACJAR,R. 1969, CONTR.ASTRON.OBS.SKALNATE PLESO 4,63. 185|WOLF,B. 1972,ASTRON.ASTROPHYS. 20,275. 186|WILLIAMS,P.M. 1972,MONTHLY NOTICES ROY.ASTRON.SOC. 155,17P. 187|SNIDGERS,M.A. 1969, ASTRON.ASTROPHYS. 1,452. 188|COWLEY,C.R. 1968, ASTROPHYS.J. 153,169. 189|GROTH,H.G. 1961, Z.ASTROPHYS. 51,206. 190|SEARLE,L.,LUNGERSHAUSEN,W. AND SARGENT,W.L.W. 1966, ASTROPHYS.J. 145,141. 191|DA SILVA,L. 1975, ASTRON.ASTROPHYS.41,287. 192|JUGAKU,J.,SARGENT,W.L.W. AND GREENSTEIN,J.L. 1961, ASTROPHYS.J. 134,781. 193|SPITE,F. AND SPITE,M. 1975, ASTRON.ASTROPHYS. 40,141. 194|SELVELLI,P.L. 1972,ASTRON.ASTROPHYS. 20,325. 195|KIPPER,T. 1969, PUBL.TARTU ASTR.OBS.TEATED 21. 196|SCHONBERNER,D. AND WOLF,R.E.A. 1974, ASTRON.ASTROPHYS. 37,87. 197|CONTI,P.S. 1970, ASTRON.ASTROPHYS. 7,213. 198|LUUD,L. AND KUUSK,T. 1970, PUBL.TARTU ASTR.OBS. 38,115. 199|HUNGER,K. AND KLINGLESMITH,D. 1969, ASTROPHYS.J. 157,721. 200|WEGNER,G. AND PETFORD,A.D. 1974, MONTHLY NOTICES ROY.ASTRON.SOC. 168,557. 201|PRZYBYLSKI,A. 1971, MONTHLY NOTICES ROY.ASTRON.SOC. 153,111. 202|ALLER,M.H. 1970, ASTRON.ASTROPHYS. 6,67. 203|WOLF,R.E.A. 1973, ASTRON.ASTROPHYS. 26,127. 204|HUNGER,K. AND KAUFMANN,J.P. 1973, ASTRON.ASTROPHYS. 25,261. 205|VILHU,O. ,ANN.ACAD.SCI.FENNICAE SERIE A VI PHY. 394. 206|SCHMITT,1973, ASTRON.ASTROPHYS.SUPPL. 9,427. 207|WOLF,B. 1973, ASTRON.ASTROPHYS. 28,335. 208|HEARNSHAW,J.B. 1975, ASTRON.ASTROPHYS. 38,271. 209|MONTGOMERY,E.F. AND ALLER,L.H. 1969, PROC. NAT.ACAD. 63,1039. 210|GARCIA,Z.L. 1968, Z.ASTROPHYS. 68,278. 211|KHOKLOVA,V.L.,ALIYEV,S. AND RUDENKO,V.M. 1969, IZV.KRYMSK.ASTROFIZ. OBS. 40,65 212|HACK,M. 1964, IAU SYMP. 26,227. 213|PRZYBYLSKI,A. 1971, MONTHLY NOTICES ROY.ASTRON.SOC. 152,197. 214|AUER,L.H.,MIHALAS,D.,ALLER,L.H. AND ROSS,J.E. 1966, ASTROPHYS.J. 145,153. 215|THOMAS,M. 1971, THESIS. 216|STROHBACH,P. 1970, ASTRON.ASTROPHYS. 6,385. 217|PETERSON,R.C. 1976, ASTROPHYS.J.SUPP. 30,61 218|GUNN,J.E. AND KRAFT,R. 1963, ASTROPHYS.J. 137,301. 219|LITTLE,S.J. 1974, ASTROPHYS.J. 193,639. 220|CAYREL,G.,CAYREL,R. AND FOY,R. 1977, ASTRON.ASTROPHYS. 54,797 221|PERRIN,M.N. 1975, ASTRON.ASTROPHYS. 44,9. 222|CAYREL DE STROBEL,G. UNPUBLISHED. 223|CONTI,P.S.,WALLERSTEIN,G. AND WING,R.F. 1965, ASTROPHYS.J. 142,999. 224|CAYREL DE STROBEL,G.,CHAUVE-GODARD,J.,HERNANDEZ,G. AND VAZIAGA,M. 1970, ASTRON.ASTROPHYS. 7,408. 225|ISHIKAWA,M. 1975, PUBL.ASTRON.SOC.JAPAN 27,1. 226|DICKENS,R.J.,FRENCH,V.A.,OWST,P.W.,PENNY,A.J. AND POWELL,A.L.T. 1971, MONTLY NOTICES ROY.ASTRON.SOC. 153,1. 227|REIMERS,D. 1969, ASTRON.ASTROPHYS. 3,94. 228|KOSLOVA,K.I. 1968, ASTROFIZ.ISSLED.IZV.SPE.ASTROFI.OBS. 4,69. 229|PRESTON,G.W. 1961, ASTROPHYS.J. 134,633. 230|MICZAIKA,G.R.,FRANKLIN,F.A.,DEUTSCH,A.J. AND GREENSTEIN,J.L. 1956, ASTROPHYS.J. 124,134 231|BURKHART,C. AND VAN'T VEER,C. 1974, COMPTES RENDUS ACAD.SCI.PARIS SERIE B 78,1108 232|BAIRD,S.R.,ROBERTS,W.J.,SNOW,T.P. AND WALLER,W. 1975, PUBL.ASTRON.SOC. PACIFIC 87,385 233|BRANCH,D. AND BELL,R.A. 1970, MONTHLY NOTICES ROY.ASTRON.SOC. 151,289. 234|BELL,R.A. 1972,MONTHLY NOTICES ROY.ASTRON.SOC. 157,147. 235|CONTI,P.S. 1965, ASTROPHYS.J.SUPPL. 11,47. 236|LUCK,R.E. 1975, ASTROPHYS.J. 202,743. 237|CASTELLI,F.,FARAGGIANA,R. AND HVALA,S. 1976,ASTRON.ASTROPHYS. 46,99. 238|HASEGAWA,T. 1975, SENDAI ASTRON.RAP. 164. 239|WEGNER,G. 1976, MONTHLY NOTICES ROY.ASTRON.SOC. 177,3. 240|FRY,M.A. AND ALLER,L.H. 1975, ASTROPHYS.J.SUPPL. 29,55. 241|SNEDEN,C. AND BOND,H.E. 1976, ASTROPHYS.J. 204,810. 242|GRIFFIN,R. 1976, MONTHLY NOTICES ROY.ASTRON.SOC. 175,225. 243|HIGGINBOTHAM,N.A. AND LEE,P. 1974, ASTRON.ASTROPHYS. 33,277. 244|GRABOWSKI,B. 1976, ACTA ASTRONOMICA 26,147. 245|HEARNSHAW,J.B. 1976, ASTRON.ASTROPHYS. 51,71. 246|HEARNSHAW,J.B. 1976, ASTRON.ASTROPHYS. 51,85. 247|HANNI,L.,KIPPER,M. 1975, PUBL.TARTU ASTROFIZ.OBS. 43,51. 248|VAN PARADIJS,J.,KESTER,D. 1976, ASTRON.ASTROPHYS. 53,1. 249|BASCHEK,B.,SARGENT,A.I. 1976, ASTRON.ASTROPHYS. 53,47. 250|POWELL,J.E.F.,POWELL,A.L.T.,STARKEY,J.R. 1976, MONTHLY NOTICES OF ASTRON.SOC.SOUTH AFRICA 35,104 251|LEE,P.,PERRY,C.L. 1975, BULL.AMER.ASTRON.SOC. 7,499. 252|PRZYBYLSKI,A. 1977, MONTHLY NOTICES OF ROY.ASTRON.SOC. 178,71. 253|SADAKANE,K. 1976, PUBL.ASTRON.SOC.JAPAN 28,469. 254|PILACHOWSKI,C.A. 1977, ASTRON.ASTROPHYS. 54,465. 255|HARTMANN,L.,ANDERSON,C.M. 1976, WISCONSIN ASTROPHYS. 40. 256|MITTON,J. 1977, ASTRON.ASTROPHYS.SUPPL. 27,35. 257|MOULD,J.R. 1976, ASTROPHYS.J. 210,402. 258|SCHONBERNER,D. 1975, ASTRON.ASTROPHYS. 44,383. 259|PERRIN,M.N. 1976, THESIS. 260|CAYREL,G.,CAYREL,R.,FOY,R. 1977, ASTRON.ASTROPHYS. 54,797. 261|WEIDEMANN,V. 1960, ASTROPHYS.J. 131,638. 262|KURTZ,D.W. 1976, ASTROPHYS.J.SUPPL.SERIE 32,651. 263|KURTZ,D.W. 1977, PUBL.ASTRON.SOC.PAC. 89,50. 264|LUCK,R.E. 1977, ASTROPHYS.J. 212,743. 265|ALLEN,M.S. 1977, ASTROPHYS.J. 213,121. 266|KAUFMANN,J.P.,SCHONBERGER,D. 1977, ASTRON.ASTROPHYS. 57,169. 267|SPITE,M.,SPITE,F. 1977, ASTRON.ASTROPHYS.SUPPL. 28,307. 268|NAFTILAN,S.A. 1976, ASTROPHYS.J. 206,785. 269|DETZ,A. 1977, ASTRON.ASTROPHYS.SUPPL. 28,403. 270|KUROCZKIN,D.,WISZNIEWSKI,A. 1977, ACTA ASTRON. 27,145 271|MARTIN,P. 1977, ASTRON.ASTROPHYS. 61,591. 272|NAFTILAN,S.A. AND DRAKE,S.A. 1977, ASTROPHYS.J. 216,508. 273|NAFTILAN,S.A. 1977, PUBL.ASTRON.SOC.PACIFIC 89,309. 274|ALLEN,M.S. AND COWLEY,C.R. 1977, PUBL.ASTRON.SOC.PACIFIC 89,386. 275|OINAS,V.1977, ASTRON.ASTROPHYS. 61,17. 276|KONDO,M. 1976, ANNALS OF THE TOKIO ASTRON.OBS. 16,1. 277|LUCK,R.E. 1977, ASTROPHYS.J. 218,752. 278|ADELMAN,S.J. 1977, MONTHLY NOTICES ROY.ASTRON.SOC. 181,667. 279|PETERSON,R. 1978, ASTROPHYS.J. 222,181. 280|SPITE,M. AND SPITE,F. 1978, ASTRON.ASTROPHYS. 67,23. 281|BARBUY,B. 1978, ASTRON.ASTROPHYS. 67,339. 282|BLACKWELL,D.E. AND WILLIS,R.B. 1977, MONTHLY NOTICES ROY.ASTRON.SOC.180,19 283|PETERSON,R.C. 1976 ASTROPHYS.J. 206,800. 284|KEARSLEY,A.J. AND WEGNER,E. 1978, MONTHLY NOTICES ROY.ASTRON.SOC. 182,117. 285|BOYARCHUK,A. AND SNOW,T. 1978, ASTROPHYS.J. 219,515. 286|FOY,R. 1978, ASTRON.ASTROPHYS. 67,311. 287|KOVACS,N. AND FOY,R. 1978, ASTRON.ASTROPHYS. 68,27. 288|COTTRELL,P.L. AND NORRIS,J. 1978, ASTROPHYS.J. 221,893. 289|PETERSON,R.C. 1978, ASTROPHYS.J. 224,595. 290|SNEDEN,C.,LAMBERT,D.,TOMKIN,J. AND PETERSON,R.C. 1978, ASTROPHYS.J. 222,585 291|TOMKIN,J. AND LAMBERT,D.L. 1978, ASTROPHYS.J. 223,937. 292|FOY,R. AND PROUST,D.,1980, ASTRON.ASTROPHYS.86,157. 293|FOY,R. 1980, ASTON.ASTROPHYS. 85,287. 294|BRANCH,D.,BONNELL,J. AND TOMKIN,J. 1978, ASTROPHYS.J. 225,902. 295|FOY,R. 1975 IAU SYMP.NO 72 B.HAUCK,P.C.KEENAN (EDS),209. 296|SNEDEN,C.1974, ASTROPHYS.J.189,493. 297|GEHREN,T.,REIMERS,D.,BERTHOLD,C.,BERTHOLD,J.,HENNIG,R.1978. ASTRON.ASTROPHYS.SUPPL.31,297. 298|CARNEY,B.W.1979, ASTROPHYS.J.233,211. 299|BESSEL,M.S.,IANNA,P.A.1978, ASTROPHYS.J.222,L127. 300|PETERSON,R.C.,CARNEY,B.W.1979, ASTROPHYS.J.231,762. 301|LUCK,R.E.,1979, ASTROPHYS.J.232,797. 302|SNEDEN,C.,LAMBERT,D.L.,WHITAKER,R.W.1979, ASTROPHYS.J.234,964. 303|PILACHOWSKI,C.A.,CANTERNA,R.,WALLERSTEIN,G.1980, ASTROPHYS.J.235,L21. 304|CLEGG,R.E.S. 1977, MONTHLY NOTICES ROY.ASTRON.SOC.181,1. 305|PASINETTI-FRACASSINI,L.E. 1980, PRIVATE COMMUNICATION. 306|TOMKIN,J.,BELL,R.A.1973, MONTHLY NOTICES ROY.ASTRON.SOC.163,117. 307|BASCHEK,B.1965 Z.ASTROPHYS.61,27. 308|GRIFFIN,R.1980 (IN PRESS) 309|PETERSON,R.C.1980, ASTROPHYS.J.235,491. 310|PILACHOWSKI,C.A.,WALLERSTEIN,G.,LEEP,E.M.1980, ASTROPHYS.J.236,508. 311|COHEN,J.G.1979, ASTROPHYS.J.231,751. 312|TOMKIN,J.LAMBERT,D.L.1980, ASTROPHYS.J.235,925. 313|MOULD,J.R. 1978, ASTROPHYS.J.226,923. 314|PETERSON,R.C. 1980, ASTROPHYS.J.237,L87. 315|COHEN,J.G. 1978, ASTROPHYS.J.223,487. 316|GEHREN,T. 1978, ASTRON.ASTROPHYS.65,427. 317|GEHREN,T. 1979, ASTRON.ASTROPHYS.75,73. 318|HERBIG,G.H. AND WOLFF,R.J. 1966, ANN.ASTROPHYS.29,593. 319|HEARNSHAW,J.B. AND NEWBURGH,C.D. 1979, MONTHLY NOTICES ROY.ASTR.SOC.186,85. 320|KOLLATSCHNY,W. 1980, ASTRON.ASTROPHYS.86,308. 321|CASTELLI,F. AND FARAGGIANA,R. 1979, ASTRON.ASTROPHYS.79,174. 322|SPITE,M. AND SPITE,F. 1980, ASTRON.ASTROPHYS.89,118. 323|BRANCH,D.,LAMBERT,D.L. AND TOMKIN,J. 1980, ASTROPHYS.J.241,L83. 324|CAYREL DE STROBEL,G.,KNOWLES,N.,HERNANDEZ,G. AND BENTOLILA,C. 1981, ASTRON.ASTROPHYS.94,1 325|FOY,R. 1981, ASTRON.ASTROPHYS.93,315. 326|GEHREN,T. 1981, ASTRON.ASTROPHYS.100,97. 327|PERRIN,M.N.,SPITE,M. 1981, ASTRON.ASTROPHYS.94,207. 328|SPITE,M. AND SPITE,F. 1979, ASTRON.ASTROPHYS.76,150. 329|LUCK,R.E. AND BOND,H.E. 1980, ASTROPHYS.J.241,218. 330|SMITH,G.R. AND HARMER,D.L. 1982, MONTHLY NOTICES ROY.ASTRON.SOC. 198, 273. 331|HEACOX,W.D. 1979, ASTROPHYS.J.SUPPL.41,675. 332|LUCK,R.E. AND BOND,H.E. 1981, ASTROPHYS.J.244,919. 333|CARNEY,B.W. AND PETERSON,R.C. 1981, ASTROPHYS.J.245,238. 334|PARTHASARATHY,M.,LAMBERT,D.L. AND TOMKIN,J. 1979, MONTHLY NOTICES ROY. ASTRON.SOC. 186,391 335|WALLERSTEIN,G.,PILACHOWSKI,C.,GEREND,D.,BAIRD,S. AND CANTERNA.R. 1979, MONTHLY NOTICES ROY.ASTRON.SOC. 186,691. 336|GRIFFIN,R. 1979, MONTHLY NOTICES ROY.ASTRON.SOC.187,269. 337|GRIFFIN,R. 1979, MONTHLY NOTICES ROY.ASTRON.SOC.187,277. 338|ENGLAND,M.N. 1980, MONT.NOT.R.ASTRON.SOC.191,23. 339|RULAND,F.,HOLWEGER,H.,GRIFFIN,R.,GRIFFIN,R. AND BIEHL,D. 1980, ASTRON. ASTROPHYS.92,70. 340|BURKHART,C.,VAN'T VEER,C. AND COUPRY,M.F. 1980, ASTRON.ASTROPHYS.92,132. 341|COHEN,J.G. 1980, ASTROPHYS.J.241,981. 342|DREILING,L.A. AND BELL,R.A. 1980, ASTROPHYS.J.241,736. 343|WALKER,H.J. AND SCHOENBERNER,D. 1981, ASTRON.ASTROPHYS.97,291. 344|PETERSON,R.C. 1981, ASTROPHYS.J.244,989. 345|COHEN,J.G. 1981, ASTROPHYS.J.247,869. 346|PETERSON,R.C. 1981, ASTROPHYS.J.SUPPL.45,421. 347|MALLIA,E.A. AND PAGEL,B.E.J. 1981, MONTHLY NOTICES ROY.ASTRON.SOC.194,421. 348|FOY.R. AND PROUST,D. 1981, ASTRON.ASTROPHYS.99,221. 349|BELL,R.A. 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