References

• Allen D.A., 1973, MNRAS 161, 145 NASA ADS
• Allen D.A., Swings J.P., 1976, A&A 47, 293 NASA ADS
• Bergner Y.K., Miroshnichenko A.S., Yudin R.V., et al., 1995, A&AS 112, 221 NASA ADS
• Bessell M.S., 1979, PASP 91, 589 NASA ADS
• Bibo E.A., Thé P.S., 1991, A&AS 89, 319 NASA ADS
• Böhm T., Catala C., 1995, A&A 301, 155 NASA ADS
• Bruhweiler F.C., 1994, in ``Frontiers of Space and Ground-Based Astronomy: The Astrophysics of the 21st Century'', Longair M.S., Kondo Y., Wamstekker W. (eds.). Kluwer, Dordrecht, The Netherlands, p. 289
• Burnichon M.L., Chalonge D., Divan L., Swings J.P., 1967, J. Obs. 50, 391
• Cameron R.C., 1966, Georgetown Obs. Monograph 21
• Ciatti F., D'Orico S., Mammano A., 1974, A&A 34, 181 NASA ADS
• Coyne G.V., Vrba F.J., 1976, ApJ 207, 790 NASA ADS
• Dickinson D.F., Snyder L.E., Brown L.W., Buhl J., 1978, AJ 83, 36 NASA ADS
• Doazan V., Sedmak G., Barylak M., Rusconi L., 1991, ``A Be star atlas of far UV and optical high-resolution spectra'', ESA-SP 1147
• Fajardo-Acosta S.B., Knacke R.F., 1995, A&A 295, 767 NASA ADS
• Feinstein A., Garnier R., Vogt N., et al., 1976, A&A 51, 269 NASA ADS
• Gilbert B., 1994 (personal communication)
• Grady C.A., Bjorkman K.J., Shepherd D., et al., 1993, ApJ 415, L39 NASA ADS
• Grady C.A., Pérez M.R., Thé P.S., 1994, ASP Conf. Ser. 62, 409
• Grinin V.P., Thé P.S., de Winter D., et al., 1994, A&A 292, 165 NASA ADS
• Grinin V.P., Kozlova O.V., Thé P.S., Rostopchina A.N., 1995, A&A 309, 474 NASA ADS
• Halbedel E.M., 1989, PASP 101, 999 NASA ADS
• Halbedel E.M., 1991, IAU Inform. Bull. Var. Stars 3602, 1
• Haupt H.F., Schroll A., 1974, A&AS 15, 311 NASA ADS
• Horne K., 1986, PASP 98, 609 NASA ADS
• Humphreys R.M., Lamers H.J.G.L.M., Hoekzema N., Cassatella A., 1989, A&A 218, L17 NASA ADS
• Israelian G., Friedjung M., Graham J., et al., 1996, A&A (in press)
• Jaschek M., Jaschek C., Andrillat Y., 1993, A&AS 97, 781 NASA ADS
• Jaschek M., Jaschek C., Andrillat Y., Houziaux L., 1992, MNRAS 254, 413 NASA ADS
• Kilkenny D., Whittet D.C.B., Davies J.K., et al., 1985, South African Astron. Obs. Circ. 9, 55
• Kurucz R.L., 1991, Precision photometry: Astrophysics of the galaxy. In: Davis Philip A.G., Upgren A.R., Janes K.A. (eds.). L. Davis press, Schenectady, New York
• Le Squeren A.M., Sivagnanam P., Dennefeld M., David P., 1992, A&A 254, 133 NASA ADS
• Low F.J., Johnson H.L., Kleinmann D.E., Latham A.S., Geisel S.L., 1970, ApJ 160, 531 NASA ADS
• Maddalena R.J., Morris M., Moscowitz J., Thaddeus P., 1986, ApJ 303, 375 NASA ADS
• Maeder A., Meynet G., 1988, A&AS 76, 411 NASA ADS
• McGregor P.J., Hyland A.R., Hillier D.J., 1988, ApJ 324, 1071 NASA ADS
• Mendoza E.E., 1958, ApJ 128, 207 NASA ADS
• Merrill P.W., 1928, ApJ 67, 405 NASA ADS
• Merrill P.W., 1952, ApJ 116, 501 NASA ADS
• Merrill P.W., Burwell C.G., 1933, ApJ 78, 87 NASA ADS
• Nyman L.A., Booth R.S., Carlstrom U., et al., 1992, A&AS 93, 121 NASA ADS
• Osterbrock D.E., 1974, Astrophysics of Gaseous Nebulae, Freeman and Company, San Francisco
• Oudmaijer R.D., Drew J., 1995, in Proc. ESO Workshop on: ``The Role of Dust in the Formation of Stars'', Siebenmorgen R. and Käufl H.U. (eds.) (in press)
• Palla F., Stahler S.W., 1993, ApJ 418, 414
• Penston M.J., 1973, MNRAS 164, 133 NASA ADS
• Pérez M.R., Grady C.A., van den Ancker M.E., et al., 1993, in ``Frontiers of Space and Ground-Based Astronomy, The Astrophysics of the 21st Century'', Longair M.S., Kondo Y., Wamstekker W. (eds.). Kluwer, Dordrecht, The Netherlands, p. 563
• Pérez M.R., 1994 (personal communication)
• Rufener F., Nicolet B., 1988, A&A 206, 357 NASA ADS
• Schmidt-Kaler Th., 1982, Landölt-Bornstein Catalogue VI/2b
• Schulte-Ladbeck R.E., Shepherd D.S., Nordsieck K.H., et al., 1993, ApJ 401, L105 NASA ADS
• Simpson J.P., 1991, ApJ 368, 570 NASA ADS
• Sitko M.L., Halbedel E.M., Lawrence G.F., Allyn Smith J., Yanow K., 1994, ApJ 432, 753 NASA ADS
• Sorrell W.H., 1989, MNRAS 241, 89
• Steenman H., Thé P.S., 1991, Ap&SS 184, 9 NASA ADS
• Swings J.P., 1971, A&A 26, 443 NASA ADS
• Swings J.P., 1973, A&A 26, 443 NASA ADS
• Swings J.P., 1974, A&A 34, 333 NASA ADS
• Swings J.P., 1995 (personal communications)
• Swings J.P., Allen D.A., 1971, ApJ 167, L41 NASA ADS
• Swings J.P., Struve O., 1943, ApJ 98, 91 NASA ADS
• Swings J.P., Barbier R., Klutz M., Surdej A., Surdej J., 1980, A&A 90, 116 NASA ADS
• Swings J.P., Swings P., 1972, A&A 17, 142 NASA ADS
• Thé P.S., de Winter D., Pérez M.R., 1994, A&AS 104, 315 NASA ADS
• Voshchinnikov N.V., Molster F.J., Thé P.S., 1995, Ap&SS 224, 223 NASA ADS
• Wackerling L.R., 1970, Mem. RAS 73, 153
• de Winter D., van den Ancker M.E., Pérez M.R., et al., 1996, A&AS (in press) (Paper I)
• de Winter D., Grinin V.P., Grady C.A., et al., 1995, in ``Circumstellar Dust and Planet Formation'', Ferlet R. and Vidal-Madjar A. (eds.). Editions Frontières, p. 171
• de Winter D., 1996, PhD Thesis, University of Amsterdam
• Zickgraf F.-J., Wolf B., Stahl O., Leitherer C. Appenzeller I., 1986, A&A 163, 119 NASA ADS
• Zickgraf F.-J., Schulte-Ladbeck R.E., 1989, A&A 214, 274 NASA ADS