References

 
• Agerer, F., & Hübscher, J. 1998, IBVS, No. 4562  
• Batistini, P., Bonifazi, A., & Guarnieri, A. 1974, IBVS, No. 951  
• Blättler, E. 1992, BBSAG Bull., 99, 6  
• Caton, D. B., & Hawkins, R. L. 1987, IBVS, No. 3004  
• Caton, D. B., Hawkins, R. L., & Burns, W. C. 1989, IBVS, No. 3408  
• Colacevich, A. 1951, Mem. Soc. Astron. Italiana, 24, 121  
• Claret, A. 1997, A&A, 327, 11 NASA ADS  
• Claret, A., & Giménez, A. 1992, A&AS, 96, 255 NASA ADS  
• Claret, A., & Giménez, A. 1993, A&A, 277, 487 NASA ADS  
• Clausen, J. V., Giménez, A., & Scarfe, C. 1986, A&A, 167, 287 NASA ADS  
• Clausen, J. V., Giménez, A., García, J. M., & Rolland, A. 1987, A&AS, 68, 141 NASA ADS  
• Diethelm, R. 1985, BBSAG Bull., 77  
• Diethelm, R. 1989, BBSAG Bull., 91, 5  
• Diethelm, R. 1990, BBSAG Bull., 96, 6  
• Diethelm, R. 1992, BBSAG Bull., 99, 3  
• Giménez, A. 1985, ApJ, 297, 405 NASA ADS  
• Giménez, A. 1994, Exper. Astron., 5, 91 NASA ADS  
• Giménez, A., Bastero, M. 1995, Ap&SS, 226, 99 NASA ADS  
• Giménez, A., & García-Pelayo, J. M. 1983, Ap&SS, 92, 203 NASA ADS  
• Giuricin, G., Mardirossian, F., & Mezzetti, M. 1980, A&AS, 39, 255 NASA ADS  
• Harmanec, P. 1988, Bull. Astr. Inst. Czech., 39, 329  
• Heard, J. F., & Morton, D. C. 1962, Publ. David Dunlap Obs. Toronto, 11, 255  
• Hoffmeister, C. 1935, Astron. Nachr., 255, 405  
• Isles, J. 1991, BAA VSS Circ., 72, 22  
• Isles, J. 1992, BAA VSS Circ., 73, 13  
• Isles, J. 1997, BAA VSS Circ., 91, 16  
• Jørgensen, H. E. 1979, A&A, 72, 356 NASA ADS  
• Kämper, B.-C. 1986, Ap&SS, 120, 167 NASA ADS  
• Khaliullin, Kh. F., & Kozyreva, V. S. 1984, Ap&SS, 106, 93 NASA ADS  
• Kizilirmak, A., & Pohl, E. 1971, IBVS, No. 530  
• Kizilirmak, A., & Pohl, E. 1974, IBVS, No. 937  
• Kopal, Z. 1978, Dynamics of Close Binary Systems (Reidel, Dordrecht, Holland)  
• Levi-Civita, T. 1937, Amer. J. Math., 59, 225  
• Martynov, D. J. 1951, Publ. Engelhardt Obs., No. 26  
• Menzies, J. W., Cousins, A. W., Banfield, R. M., & Laing, J. D. 1989, SAAO Circ., 13, 1 NASA ADS  
• Meyer, A. 1972, IBVS, No. 668  
• Müyesseroglu, Z., Gürol, B., & Selam, S. O. 1996, IBVS, No. 4380  
• Perryman, M. A. C. 1997, The Hipparcos and Tycho Catalogues, ESA SP Series - 1200  
• Plavec, M., Pekný, Z., & Smetanová, M. 1960, Bull. Astr. Inst. Czech., 11, 180 NASA ADS  
• Pohl, E., & Kizilirmak, A. 1970, IBVS, No. 456  
• Pohl, E., & Kizilirmak, A. 1975, IBVS, No. 1053  
• Popper, D. M. 1967, ARA&A, 5, 85 NASA ADS  
• Popper, D. M. 1968, ApJ, 154, 191 NASA ADS  
• Popper, D. M. 1971, ApJ, 166, 361 NASA ADS  
• Wolf, M. 2000, A&A, 356, 134 NASA ADS  
• Wolf, M. 2001, A&A, in preparation  
• Wolf, M., Diethelm, R., & Sarounová, L. 1999, A&A, 345, 553 NASA ADS