References

• Allen D.A., 1980, MNRAS 192, 521 NASA ADS
• Allen D.A., 1982, in The Nature of Symbiotic Stars, IAU Coll. 70, Friedjung M., Viotti R., (eds.). Reidel, Dordrecht, p. 27
• Allen D.A., 1984, Proc. Astron. Soc. Aust. 5, 367
• Baldwin J.A., Stone R.P.S., 1984, MNRAS 206, 241 NASA ADS
• Barbá R., Brandi E., García L., Ferrer O., 1992, PASP 104, 33
• Bessell M.S., Brett J.M., 1988, PASP 100, 1134 NASA ADS
• Brocklehurst M., 1971, MNRAS 153, 471 NASA ADS
• Dobrzycka D., Kenyon S.J., Milone A.A., 1996, AJ 111, 414 NASA ADS
• Frogel J.A., Whitford A.E., 1987, ApJ 320, 199 NASA ADS
• Glass I.S., Webster B.L., 1973, MNRAS 165, 77 NASA ADS
• Harman R.J., Seaton M.J., 1966, MNRAS 132, 15 NASA ADS
• Kafatos M., Lynch J.P., 1980, ApJS 42, 611 NASA ADS
• Kenyon S.J., 1986, The Symbiotic Stars. Cambridge Univ. Press. Cambridge
• Kenyon S.J., Fernández Castro T., 1987, AJ 93, 938 NASA ADS
• Kenyon S.J., Fernández Castro T., Stencel R.E., 1988, AJ 95, 1817 NASA ADS
• Lund L., Tuvikene T., 1987, Afz 26, 457 NASA ADS
• Mayall M., 1951, Bull. Harvard College Obs. 920, 32
• Mikolajewska J., 1985, Acta Astron. 35, Nos. 1-2
• Munari U., Yudin B.F., Taranova O.G., et al., 1992, A&AS 93, 383 NASA ADS
• Netzer H., 1975, MNRAS 171, 395 NASA ADS
• Nussbaumer H., Storey P.J., 1982, A&A 113, 21 NASA ADS
• Proga D., Mikolajewska J., Kenyon S.J., 1994, MNRAS 268, 213 NASA ADS
• Savage B.D., Mathis J.S., 1979, ARA&A 17, 73 NASA ADS
• Schmid H.M., 1989, A&A 211, L31 NASA ADS
• Schmid H.M., 1995, MNRAS 275, 227 NASA ADS
• Schmid H.M., 1996, MNRAS 282, 511 NASA ADS
• Schmidt-Kaler Th., 1982, in Landolt-Börnstein, New Series. Berlin Springer Vol. VI/2, p. 18
• Schulte-Ladbeck R.E., Aspin C., Magalhães A.M., Schwarz H.E., 1990, A&AS 86, 227 NASA ADS
• Seaton M.J., 1975, MNRAS 170, 475 NASA ADS
• Stone R.P.S., Baldwin J.A., 1983, MNRAS 204, 347 NASA ADS
• Thackeray A.D., 1954, Observatory 74, 258
• Tiede G.P., Frogel J.A., Terndrup D.M., 1995, AJ 110, 2788 NASA ADS
• van Winckel H., Duerbeck H., Schwarz E., 1993, A&AS 102, 2
• Whitelock P.A., Munari U., 1992, A&A 255, 171 NASA ADS
• Wright A.E., Allen D.A., 1978, MNRAS 184, 893 NASA ADS