Abranin, E.P., Alekseev, I.Y., Avgoloupis, S., Bazelyan, L.L., Berdyugina, S.V., Cutispoto, G., Gershberg, R.E., Larionov, V.M., Leto, G., Lisachenko, V.N., Marino, G., Mavridis, L.N., Messina, S., Mel’nik, V.N., Pagano, I., Pustil’nik, S.V., Rodonò, M., Roizman, G.S., Seiradakis, J.H., Sigal, G.P., Shakhovskaya, N.I., Shakhovskoy, D.N., Shcherbakov, V.A., 1998, “Coordinated Observations of the Red Dwarf Flare Star EV LAC in 1994 and 1995”, Astron. Astrophys. Trans., 17, 221-262.
Alekseev, I.Y., Gershberg, R.E., 1996, “A model of zonal spottedness for red dwarf stars”, Astron. Zh., 40, 538-545.
Amado, P.J., Cutispoto, G., Lanza, A.F., Rodonò, M., 2001, “AB Doradus: Long and Short Term Light Variations and Spot Parameters”, in Cool Stars, Stellar Systems, and the Sun (11th Cambridge Workshop), (Eds.) García López, R.J., Rebolo, R., Zapaterio Osorio, M.R., Proceedings of a meeting held at Puerto de la Cruz, Tenerife, Spain, 4-8 October 1999, vol. 223 of ASP Conference Series, pp. 895-900, Astronomical Society of the Pacific, San Francisco, U.S.A.
Appenzeller, I., Dearborn, D.S.P., 1984, “Brightness variations caused by surface magnetic fields in pre-main-sequence stars”, Astrophys. J., 278, 689-694.
Appenzeller, I., Fricke, K., Furtig, W., Gassler, W., Hafner, R., Harkl, R., Hess, H.-J., Hummel, W., Jurgens, P., Kudritzki, R.-P., Mantel, K.-H., Meisl, W., Muschielok, B., Nicklas, H., Rupprecht, G., Seifert, W., Stahl, O., Szeifert, T., Tarantik, K., 1998, “Successful commissioning of FORS1 - the First Optical Instrument on the VLT”, Messenger, 94, 1-6.
Applegate, J.H., 1992, “A mechanism for orbital period modulation in close binaries”, Astrophys. J., 385, 621-629.
Baliunas, S.L., Donahue, R.A., Soon, W.H., Horne, J.H., Frazer, J., Woodard-Eklund, L., Bradford, M., Rao, L.M., Wilson, O.C., Zhang, Q., Bennett, W., Briggs, J., Carroll, S.M., Duncan, D.K., Figueroa, D., Lanning, H.H., Misch, A.A., Mueller, J., Noyes, R.W., Poppe, D., Porter, A.C., Robinson, C.R., Russell, J., Shelton, J.C., Soyumer, T., Vaughan, A.H., Whitney, J.H., 1995, “Chromospheric variations in main-sequence stars. II.”, Astrophys. J., 438, 269-287.
Barnes, J.R., Lister, T.A., Hilditch, R.W., Collier Cameron, A., 2004, “High-resolution Doppler images of the spotted contact binary AE Phe”, Mon. Not. R. Astron. Soc., 348, 1321-1331.
Barnes, J.R., Collier Cameron, A., Donati, J.-F., James, D.J., Marsden, S.C., Petit, P., 2005, “The dependence of differential rotation on temperature and rotation”, Mon. Not. R. Astron. Soc., 357, L1-L5.
Benedict, G.F., Nelan, E., McArthur, B., Story, D., van Altena, W., Ting-Gao, Y., Jefferys, W.H., Hemenway, P.D., Shelus, P.J., Whipple, A.L., Franz, O.G., Fredrick, L.W., Duncombe, R.L., 1993, “Periodic low-amplitude variations in the brightness of Proxima Centauri”, Publ. Astron. Soc. Pac., 105, 487-493.
Berdyugina, S.V., 1998, “Surface imaging by the Occamian approach. Basic principles, simulations, and tests”, Astron. Astrophys., 338, 97-105.
Berdyugina, S.V., 2002, “Sunspot and starspot interiors as seen from molecular lines”, Astron. Nachr., 323, 192-195.
Berdyugina, S.V., 2004, “Non-axisymmetric magnetic fields and flip-flops on the Sun and cool stars”, Solar Phys., 224, 123-131.
Berdyugina, S.V., 2005, “Stellar butterfly diagrams”, Astron. Astrophys., in preparation.
Berdyugina, S.V., Henry, G.W., 2005, “Active longitudes and flip-flops on RS CVn-type stars”, Astrophys. J., in preparation.
Berdyugina, S.V., Järvinen, S.P., 2005, “Spot activity cycles and flip-flops on young solar analogs”, Astron. Nachr., 326, 283-286.
Berdyugina, S.V., Solanki, S.K., 2002, “The molecular Zeeman effect and diagnostics of solar and stellar magnetic fields. I. Theoretical spectral patterns in the Zeeman regime”, Astron. Astrophys., 385, 701-715.
Berdyugina, S.V., Tuominen, I., 1998, “Permanent active longitudes and activity cycles on RS CVn stars”, Astron. Astrophys., 336, L25-L28.
Berdyugina, S.V., Usoskin, I.G., 2003, “Active longitudes in sunspot activity: Century scale persistence”, Astron. Astrophys., 405, 1121-1128.
Berdyugina, S.V., Berdyugin, A.V., Ilyin, I., Tuominen, I., 1998a, “The active RS Canum Venaticorum binary II Pegasi. II. Surface images for 1992-1996”, Astron. Astrophys., 340, 437-446.
Berdyugina, S.V., Jankov, S., Ilyin, I., Tuominen, I., Fekel, F.C., 1998b, “The active RS Canum Venaticorum binary II Pegasi. I. Stellar and orbital parameters”, Astron. Astrophys., 334, 863-872.
Berdyugina, S.V., Berdyugin, A.V., Ilyin, I., Tuominen, I., 1999a, “The active RS Canum Venaticorum binary II Pegasi. IV. The spot activity cycle”, Astron. Astrophys., 350, 626-634.
Berdyugina, S.V., Ilyin, I., Tuominen, I., 1999b, “The long-period RS Canum Venaticorum binary IM Pegasi. I. Orbital and stellar parameters”, Astron. Astrophys., 347, 932-936.
Berdyugina, S.V., Berdyugin, A.V., Ilyin, I., Tuominen, I., 2000, “The long-period RS CVn binary IM Pegasi. II. First surface images”, Astron. Astrophys., 360, 272-280.
Berdyugina, S.V., Pelt, J., Tuominen, I., 2002, “Magnetic activity in the young solar analog LQ Hydrae. I. Active longitudes and cycles”, Astron. Astrophys., 394, 505-515.
Berdyugina, S.V., Solanki, S.K., Frutiger, C., 2003, “The molecular Zeeman effect and diagnostics of solar and stellar magnetic fields. II. Synthetic Stokes profiles in the Zeeman regime”, Astron. Astrophys., 412, 513-527.
Bopp, B.W., 1981, “Observations of FK Comae stars”, in Second Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, (Eds.) Giampapa, M.S., Golub, L., vol. 392 of SAO Rep., pp. 207-217, SAO, Cambridge.
Bopp, B.W., Evans, D.S., 1973, “The spotted flare stars BY Dra and CC Eri: A model for the spots and some astrophysical implications”, Mon. Not. R. Astron. Soc., 164, 343-356.
Bopp, B.W., Rucinski, S.M., 1981, “The Rapidly Rotating Giants of the FK Comae Type”, in Fundamental Problems in the Theory of Stellar Evolution, (Eds.) Sugimoto, D., Lamb, D.G., Schramm, D.N., IAU Symposium 93, held at Kyoto University, Kyoto, Japan, July 22-25, 1980, p. 177, D. Reidel, Dordrecht, Netherlands; Boston, U.S.A.
Bopp, B.W., Stencel, R.E., 1981, “The FK Comae stars”, Astrophys. J., 247, L131-L134.
Bopp, B.W., Saar, S.H., Ambruster, C., Feldman, P., Dempsey, R.C., Allen, M., Barden, S.C., 1989, “The active chromosphere binary HD 17433 (VY Arietis)”, Astrophys. J., 339, 1059-1072.
Bouvier, J., Bertout, C., 1989, “Spots on T Tauri stars”, Astron. Astrophys., 211, 99-114.
Brandenburg, A., Dobler, W., 2002, “Solar and stellar dynamos - latest developments”, Astron. Nachr., 323, 411-416.
Brandenburg, A., Krause, F., Meinel, R., Moss, D., Tuominen, I., 1989, “The stability of nonlinear dynamos and the limited role of kinematic growth rates”, Astron. Astrophys., 213, 411-422.
Brown, S.F., Donati, J.-F., Rees, D.E., Semel, M., 1991, “Zeeman-Doppler imaging of active stars. IV - Maximum entropy reconstruction of 2D magnetic topologies”, Astron. Astrophys., 250, 463-474.
Bruls, J.H.M.J., Solanki, S.K., Schüssler, M., 1998, “Doppler imaging: the polar spot controversy”, Astron. Astrophys., 336, 231-241.
Budding, E., 1977, “The interpretation of cyclical photometric variations in certain dwarf Me-type stars”, Astrophys. Space Sci., 48, 207-223.
Caligari, P., Moreno-Insertis, F., Schüssler, M., 1995, “Emerging flux tubes in the solar convection zone. I. Asymmetry, tilt, and emergence latitude”, Astrophys. J., 441, 886-902.
Catalano, S., Biazzo, K., Frasca, A., Marilli, E., 2002, “Measuring starspot temperature from line depth ratios. I. The method”, Astron. Astrophys., 394, 1009-1021.
Chugainov, P.F., 1966, “On the Variability of HD 234677”, Inform. Bull. Var. Stars, 122, 1-2.
Chugainov, P.F., 1971, “On the Cause of Periodic Light Variations of Some Red Dwarf Stars”, Inform. Bull. Var. Stars, 520, 1-3.
Chugainov, P.F., 1976, “Estimates of spot area and temperature on BY Dra”, Krymskaia Astrofiz. Obs. Izv., 55, 94-99.
Collier Cameron, A., 1992, “Modelling Stellar Photospheric Spots Using Spectroscopy”, in Surface Inhomogeneities on Late-Type Stars, (Eds.) Byrne, P.B., Mullan, D.J., Proceedings of a colloquium held at Armagh Observatory, Northern Ireland, 24-27 July, 1990, vol. 397 of Lecture Notes in Physics, p. 33, Springer, Berlin, Germany; New York, U.S.A.
Collier Cameron, A., 1995, “New limits on starspot lifetimes for AB Doradus”, Mon. Not. R. Astron. Soc., 275, 534-544.
Collier Cameron, A., 1997, “Eclipse mapping of late-type close binary stars”, Mon. Not. R. Astron. Soc., 287, 556-566.
Collier Cameron, A., Donati, J.-F., 2002, “Doin’ the twist: secular changes in the surface differential rotation on AB Doradus”, Mon. Not. R. Astron. Soc., 329, L23-L27.
Collier Cameron, A., Donati, J.-F., Semel, M., 2002, “Stellar differential rotation from direct star-spot tracking”, Mon. Not. R. Astron. Soc., 330, 699-706.
de Souza, D., Zorec, J., Jankov, S., Vakili, F., Abe, L., Janot-Pacheco, E., 2004, “Stellar differential rotation and inclination angle from spectro-interferometry”, Astron. Astrophys., 418, 781-794.
Deutsch, A. J., 1958, “Harmonic Analysis of the Periodic Spectrum Variables”, in Electromagnetic Phenomena in Cosmical Physics, (Ed.) Lehnert, B., IAU Symposium no. 6, pp. 209-221, Cambridge University Press, Cambridge, U.K.
Donahue, R.A., Saar, S.H., Baliunas, S.L., 1996, “A Relationship between Mean Rotation Period in Lower Main-Sequence Stars and Its Observed Range”, Astrophys. J., 466, 384-391.
Donati, J.-F., Brown, S.F., 1997, “Zeeman-Doppler imaging of active stars. V. Sensitivity of maximum entropy magnetic maps to field orientation”, Astron. Astrophys., 326, 1135-1142.
Donati, J.-F., Collier Cameron, A., 1997, “Differential rotation and magnetic polarity patterns on AB Doradus”, Mon. Not. R. Astron. Soc., 291, 1-19.
Donati, J.-F., Semel, M., Praderie, F., 1989, “Zeeman-Doppler imaging of active stars. II - Numerical simulation and first observational results”, Astron. Astrophys., 225, 467-478.
Donati, J.-F., Semel, M., Carter, B.D., Rees, D.E., Collier Cameron, A., 1997, “Spectropolarimetric observations of active stars”, Mon. Not. R. Astron. Soc., 291, 658-682.
Donati, J.-F., Collier Cameron, A., Hussain, G.A.J., Semel, M., 1999, “Magnetic topology and prominence patterns on AB Doradus”, Mon. Not. R. Astron. Soc., 302, 437-456.
Donati, J.-F., Mengel, M., Carter, B.D., Marsden, S., Collier Cameron, A., Wichmann, R., 2000, “Surface differential rotation and prominences of the Lupus post T Tauri star RX J1508.6-4423”, Mon. Not. R. Astron. Soc., 316, 699-715.