References

• Abt H.A., Morrell N.I., 1995, ApJS 99, 135 NASA ADS
• Adelman S.J., 1998, Baltic Astron. 7, 427 NASA ADS
• Adelman S.J., Brunhouse E.F., 1998, PASP 110, 1304 NASA ADS
• Adelman S.J., Brown B.H., Caliskan H., Reese D.F., Adelman C.J., 1994, A&AS 106, 333 NASA ADS
• Borra E.F., 1981, ApJ 249, L39 NASA ADS
• Burke E.W., Barr T.H., 1981, PASP 93, 344 NASA ADS
• ESA, 1997, The Hipparcos and Tycho Catalogs, SP-1200
• Hoffleit D., 1982, The Bright Star Catalogue, 4th edition. Yale University Observatory, New Haven, CT
• Hoffleit D., Saladyga M., Wlasuk P., 1983, A Supplement to the Bright Star Catalogue. Yale University Observatory, New Haven, CT
• Horne J.H., Baliunas S.L., 1986, ApJ 302, 757 NASA ADS
• Leroy J.L., 1995, A&AS 114, 79 NASA ADS
• Mathys G., Lanz T., 1992, A&A 256, 169 NASA ADS
• Michaud G., Proffitt C.R., in ASP Conf. Proc. 44, Peculiar Versus Normal Phenomena in A-Type and Related Stars, Dworetsky M.M., Castelli F. & Faraggiana R. (eds.), ASP, San Francisco, p. 439
• North P., 1984, A&AS 55, 259 NASA ADS
• Roberts D.H., Lehar J., Dreher J.W., 1987, AJ 93, 968 NASA ADS
• Scargle J.D., 1982, ApJ 263, 835 NASA ADS
• Stepien K., 1968, ApJ 154, 945 NASA ADS
• Wade G.A., Elkin V.G., Landstreet J.D., et al., 1996, A&A 313, 209 NASA ADS
• Winzer J.E., 1974, Ph. D. Dissertation, University of Toronto