References

• Andretta V., Giampapa M.S., 1995, ApJ 439, 405 NASA ADS
• Andretta V., Doyle J.G., Byrne P.B., 1997, A&A 322, 266 NASA ADS
• Basri G., Wilcots E., Stout N., 1989, PASP 101, 528 NASA ADS
• Barrado D., De Castro E., Garcıa López R.J., Sánchez Almeida J., Montesinos B., 1995, in: Stellar Surface Structure, IAU Symp. 176, Poster Proceedings, Strassmeier K. (ed.) p. 123
• Barrado D., 1996, Th. Doctoral, Universidad Complutense de Madrid
• Bidelman W.P., McConnell D.J., 1973, AJ 78, 687 NASA ADS
• Bopp B.W., Fekel F., Aufdenberg J.P. Dempsey R., Dadonas V., 1993, AJ 106, 2502 NASA ADS
• Catalano S., Frasca A., 1994, 287, 575
• Danks A.C., Lambert D.L., 1985, A&A 148, 293 NASA ADS
• Dempsey R.C., Neff J., O'Neal D., Olah K., 1996a, AJ 111, 1356 NASA ADS
• Dempsey R.C., Neff J., Linsky J.L., Brown A., 1996b, IAU Symp. 176, Strassmeier K.G. & Linsky J.L. (eds.) Stellar Surface Structure, p. 411
• Dempsey R.C., Neff J., Thorpe M.J., et al., 1996c, ApJ 470, 1172 NASA ADS
• Fekel F.C., Moffett T.J., Henry G.W., 1986, ApJS 60, 551 NASA ADS
• Fekel F.C., 1988, AJ 95, 215 NASA ADS
• Fekel F.C., 1996, AJ 112, 269 NASA ADS
• Fernández-Figueroa M.J., Montes D., De Castro E., Cornide M., 1994, ApJS 90, 433 (FFMCC) NASA ADS
• Gunn A.G., Doyle J.G., 1997, A&A 318, 60 NASA ADS
• Gunn A.G., Doyle J.G., Houdebine E.R., 1997, A&A 319, 211 NASA ADS
• Hall J.C., Ramsey L.W., 1992, AJ 104, 1942 NASA ADS
• Hall J.C., 1996, PASP 108, 313 NASA ADS
• Hampton M., Henry G.W., Eaton J.A., Nolthenius R.A., Hall D.S., 1996, PASP 108, 68 NASA ADS
• Hatzes A.P., 1995, AJ 109, 350 NASA ADS
• Huenemoerder D.P., Ramsey L.W., 1987, ApJ 319, 392 NASA ADS
• Huenemoerder D.P., Ramsey L.W., Buzasi D.L., 1990, Cool star stellar systems and the Sun, Sixth Cambridge Workshop., Wallerstein G. (ed.), ASP Conf. Ser. 9, 236
• Lambert D.L., O'Brien G.T., 1983, A&A 128, 110 NASA ADS
• Landman D.A., 1981, ApJ 244, 345 NASA ADS
• Lanzafame A.C., Byrne P.B., 1995, A&A 303, 155 NASA ADS
• Lázaro C., Arévalo M.J., 1997, AJ 113, 2283 NASA ADS
• Linsky J.L., Wood B.E., 1994, ApJ 430, 342 NASA ADS
• Linsky J.L., Wood B.E., Judge P., Brown A., Andrulis C., Ayres T.R., 1995 ApJ 442, 381 NASA ADS
• Montes D., De Castro E., Cornide M., Fernández-Figueroa M.J., 1994, in: Cool Stars, Stellar Systems, and the Sun, Eighth Cambridge Workshop, Caillault J.P. (ed.) ASP Conf. Ser. 64, 444
• Montes D., Fernández-Figueroa M.J., De Castro E., Cornide M., 1995a, A&A 294, 165 NASA ADS
• Montes D., Fernández-Figueroa M.J., De Castro E., Cornide M., 1995b, A&AS 109, 135 NASA ADS
• Montes D., De Castro E., Fernández-Figueroa M.J., Cornide M., 1995c, A&AS 114, 287 NASA ADS
• Montes D., Fernández-Figueroa M.J., De Castro E., Cornide M., 1995d, Stellar Surface Structure, IAU Symp 176, Poster Proceedings, Strassmeier K. (ed) p. 167
• Montes D., Fernández-Figueroa M.J., Cornide M., De Castro E., 1996a, A&A 312, 221 NASA ADS
• Montes D., Sanz-Forcada J., Fernández-Figueroa M.J., Lorente R., 1996b, A&A 310, L29 NASA ADS
• Montes D., Martın E.L., Fernández-Figueroa M.J., Cornide M., De Castro E., 1997, A&AS 123, 473 NASA ADS
• O'Brien G.T., Lambert D.L., 1986, ApJS 62, 899 NASA ADS
• Pasquini L., Pallavicini R., 1991, A&A 251, 199 NASA ADS
• Pettersen B.R., Evans D.S., Coleman L.A., 1984, ApJ 282, 214 NASA ADS
• Pettersen B.R., 1989, A&A 209, 279 NASA ADS
• Robinson R.D., Airapetian V.S., Maran S.P., Carpenter K.G., 1996, ApJ 469, 872 NASA ADS
• Shcherbakov A.G., Shcherbakova Z.A., Tuominen I., Jetsu L., 1996, A&A 309, 655 NASA ADS
• Simon T., Linsky J.L., Schiffer F.H., 1980, ApJ 239, 911 NASA ADS
• Simon T., Linsky J.L., Stencel R.E., 1982, ApJ 257, 225 NASA ADS
• Siarkowski M., Preś P., Drake S.A., White N.E., Singh K.P., 1996, ApJ 473, 470 NASA ADS
• Smith M.A., 1983, AJ 88, 1031 NASA ADS
• Strassmeier K.G., Fekel F.C., Bopp B.W., Dempsey R.C., Henry G.W., 1990, ApJS 72, 191 NASA ADS
• Strassmeier K.G., Hall D.S., Fekel F.C., Scheck M., 1993, A&AS 100, 173 (CABS) NASA ADS
• Welty A.D., Ramsey L.W., 1997, AJ (in press)
• Wolff S.C., Heasley J.N., 1984, PASP 96, 231 NASA ADS
• Wolff S.C., Heasley J.N., Varsik J., 1985, PASP 97, 707 NASA ADS
• Wood B.E., Harper G.M., Linsky J.L., Dempsey R.C., 1996, ApJ 458, 761 NASA ADS
• Xuefu L., Huisong T., 1984, Inf. Bull. Var. Stars No. 2606
• Zirin H., 1975, ApJ 199, L163
• Zirin H., 1982, ApJ 260, 655 NASA ADS
• Zirin H., 1988, in Astrophysics of the Sun. Cambridge University Press