References

• Abt H.A., 1987, in IAU Colloquium 92, The Physics of Be Stars, Slettebak A. and Snow T.P. (eds.). CUP: Cambridge, p. 470
• Arp H., 1959, AJ 64, 245
• Baade D., 1987, in IAU Colloquium 92, The Physics of Be Stars, Slettebak A. and Snow T.P. (eds.). CUP: Cambridge, p. 361
• Balona L.A., 1992, MNRAS 256, 425 NASA ADS
• Balona L.A., Jerzykiewicz M., 1993, MNRAS 260, 782 NASA ADS
• Bessell M.S., Castelli F., Plez B., 1998, A&A 333, 231 NASA ADS
• Bessell M.S., Wood P.R., 1992, in New Aspects of Magellanic Cloud Research, Baschek B., Klare G., Lequeux J. (eds.). Springer: Berlin, p. 271
• Bjorkman J.E., Cassinelli J.P., 1993, ApJ 409, 429 NASA ADS
• Caloi V., Cassatella A., 1995, A&A 295, 63 NASA ADS
• Cassatella A., Barbero J., Brocato E., Castellani V., Geyer E.H., 1996, A&A 306, 125 NASA ADS
• Chiosi C., Vallenari A., Bressan A., Deng L., Ortolani S., 1995, A&A 293, 710 NASA ADS
• Collins G.W., Truax R.J., Cranmer S.R., 1991, ApJS 77, 541 NASA ADS
• Dachs J., Poetzel R., Kaiser D., 1989, A&AS 78, 487 NASA ADS
• Dachs J., Engels D., Kiehling R., 1988, A&A 194, 167 NASA ADS
• Dziembowski W.A., Moskalik P., Pamyatnykh A.A., 1993, MNRAS 265, 588 NASA ADS
• Elson R.A.W., Fall S.M., Freeman K.C., 1987, ApJ 323, 54 NASA ADS
• Endal A.S., 1982, in IAU Symposium 98, Be Stars, Jaschek M., Groth H.-G. (eds.). Reidel: Dordrecht, p. 299
• Endal A.S., Sofia S., 1979, ApJ 232, 531 NASA ADS
• Feast M.W., 1972, MNRAS 159, 113 NASA ADS
• Grebel E.K., Richtler T., de Boer K.S., 1992, A&A 254, L5 NASA ADS
• Grebel E.K., 1997, A&A 317, 448 NASA ADS
• Hanuschik R.W., Dachs J., Baudzus M., Thimm G., 1993, A&A 274, 356 NASA ADS
• Harmanec P., K$\rm\breve{r}$i$\rm\breve{z}$ S., 1976, in IAU Symposium 70, Be and Shell Stars, Slettebak A. (ed.). Dordrecht: Reidel, p. 3
• Kaiser D., 1989, A&A 222, 187 NASA ADS
• Kjeldsen H., Baade D., 1994, in IAU Symposium 162, Pulsation, Rotation and Mass Loss in Early-Type Stars, Balona L.A., Hendrichs H.F., le Contel J.M. (eds.). Kluwer: Dordrecht, p. 271
• Massey P., Parker J.W., Garmany C.D., 1989, AJ 98, 1305 NASA ADS
• Mateo M., Schechter P., 1989, in Proc. 1st ESO/ST-ECF Data Analysis Workshop, Murtagh F., Warmels R.H., (eds.). ESO: Garching, p. 69
• Mermilliod J.-C., 1982, A&A 109, 48
• Pols O.R., Cote J., Waters L.B.F.M., Heise J., 1991, A&A 241, 419 NASA ADS
• Rivinius T., Baade D., Stefl S., Wolf B., Kaufer A., 1998, A&A 336, 177 NASA ADS
• Robertson J.W., 1974, A&AS 15, 261 NASA ADS
• Russell S.C., Bessell M.S., 1989, ApJS 70, 865 NASA ADS
• Sebo K.M., Wood P.R., 1994, AJ 108, 932 NASA ADS
• Struve O., 1931, ApJ 73, 94
• Taylor B.J., 1986, ApJS 60, 577 NASA ADS
• Tucholke H.-J., de Boer K.S., Seitter W.C., 1996, A&AS 119, 91 NASA ADS
• Vallenari A., Bomans D.J., de Boer K.S., 1993, A&A 268, 137 NASA ADS
• Van Bever J., Vanbeveren D., 1997, A&A 322, 116 NASA ADS
• Vogt S.S., Penrod G.D., 1983, ApJ 275, 661 NASA ADS
• Walker A., 1996 (private communication)
• Will J-M., Bomans D.J., de Boer K.S., 1995, A&A 295, 54 NASA ADS
• Zorec J., Briot D., 1991, A&A 245, 150 NASA ADS
• Zorec J., Briot D., 1997, A&A 318, 443 NASA ADS