[1]   Attridge, J.M. & Herbst, W., 1992, ApJ, 398, L61.

[2]   Beasly, A.J. & Cram, L.E., 1993, MNRAS,264, 570.

[3]   Bouvier, J. & Bertout, C., 1989, A&A, 211, 99.

[4]   Bouvier, J., 1990, AJ, 99, 946.

[5]   Bouvier, J. & Appenzeller, I., 1992, A&AS, 92, 481.

[6]   Bouvier, J., Cabrit, S., Fernández, M., Martin, E.L., Matthews, J.M., 1993, A&A, 272, 176.

[7]   Bouvier, J., Covino, E., Kovo, O., Martin, E.L., Matthews, J.M., Terranegra, L., Beck, S.C., 1995, A&A, 229, 89.

[8]   Cabrit, S., Edwards, S., Strom, S.E., Strom, K.M., 1990, ApJ, 354, 687.

[9]   Carkner, L., Feigelson, E.D., Koyama, K., Montmerle, T., Reid, I.N., 1996, ApJ, 464, 286.

[10]   Casanova, S., Montmerle, T., Feigelson, E.D., Andre, P., 1995, ApJ, 439, 752.

[11]   Chen, W.P., Simon, M., Longmore, A.J., Howell, R.R., Benson, I.A., 1990, ApJ, 357, 224.

[12]   Chugainov, P.F., 1974, Izv. Krim. Ap. Obs., 52, p. 3

[13]   Cohen, M. & Kuhi, L., 1979, ApJS,41, 743.

[14]   Covino, E., Terranegra, L., Franchini, M., Chavarria-K, C., Stalio, R., 1992, A&AS, 94, 273.

[15]   Damiani, F., Micela, G., Sciortino, S., Harnden, F.R., 1995, ApJ, 446, 331.

[16]   Dubath, P., Reipurth, B., Mayor, M., 1996, A&A, 308, 107.

[17]   Duncan, D.K., 1993, ApJ, 406, 172.

[18]   Edwards, S., Cabrit, S., Strom, S.E., Heyer, I., Strom, K.M., Anderson, E., 1987, ApJ, 321, 473.

[19]   Feigelson, E.D. &  De Campli, W., 1981, ApJ, 243, L89.

[20]   Feigelson, E.D. & Kriss, G.A., 1989, ApJ, 338, 262.

[21]   Feigelson, E.D., Casanova, S., Montmerle, T., Guibert, J., 1993, ApJ, 416, 62 3.

[22]   Feigelson, E.D., Welty, A.D., Imhoff, C.L., Hall, J.C., Etzel, P.B., Phillips, R.B., Lonsdale, C.J., 1994, ApJ, 432, 373.

[23]   Fernández, M.,1995, A&AS, 113, 473.

[24]   Fernández, M. & Eiroa, C., 1995, A&A, 113, 473.

[25]   Gagné, M. & Caillault, J.P., 1994, ApJ, 437, 361.

[26]   Gagné, M., Caillault, J.P., Stauffer, J.R., 1995, ApJ, 445, 280.

[27]   Gameiro, J.F., Lago, M.T.V.T., Lima, N.M., Cameron, A.C., 1993, MNRAS,261, 11.

[28]   Gameiro, J.F. & Lago, M.T.V.T., 1993, MNRAS,265, 359.

[29]   Gezari, D.Y., Schmitz, M., Pitts, P.S., Mead, J.M., 1993, NASA Reference Publication, 1294, p. 1

[30]   Gham, G.F., 1980, ApJ, 242, L163.

[31]   Gham, G.F., Gullbring, E, Fischerstrom, C., Lindroos, K.P., Loden, K., 1993, A&AS, 100, 371.

[32]   Ghez, A.M., Neugebauer, G., Mattheus, K., 1993, AJ, 106, 2005.

[33]   Glass, I.S. & Penston, M.V., 1975, MNRAS,172, 227.

[34]   Grinin et al, 1983 in Activity in Red Dwarf stars. IAU Coll., 71, p. 513

[35]   Hartigan, P., Hartmann, L., Kenyon, S.J., Strom, S.E., Skrutskie, M.F., 1990, ApJ, 354, L25.

[36]   Hartigan, P., Strom, K.M., Strom, S.E., 1994, ApJ, 427, 961.

[37]   Hartmann et al., 1989, AJ, 97, 8.

[38]   Hartmann, L. & Stauffer, J.R., 1989, AJ, 97, 873.

[39]   Herbst, W. et al., 1987, AJ, 94, 137.

[40]   Herbst, W., & Koret, D.L. 1988, AJ, 96, 1949.

[41]   Herbst, W., 1989, AJ, 98, 2268.

[42]   Herbst et al, 1989, ApJ, 310, L71.

[43]   IRAS Point Source Catalog, 1988, NASA Reference Publication, 1190, p. 1

[44]   Jones, B.F. & Herbig, G.H., 1979, AJ, 84, 1872.

[45]   Kholotilov, E. A., & Petrov, P.P., 1985, Pisma Astron. Zh., 11, 846

[46]   Leinert, C., Haas, M., Richichi, A., Zinnecker, H., Mundt, R., 1991, A&A, 250, 407.

[47]   Leinert, Ch., Zinnecker, H., Weitzel, N., Christou, J., Ridgway, S.T., Jameson, R., Haas, M., Lenzen, R., 1993, A&A, 278, 129.

[48]   Mathieu, R.D., Ann. Rev. Astron. Astrophys. 1994, p. 465

[49]   Mendoza, E.E., Bol. Obs. Tonantz. Tacub. 6 1971, p. 135

[50]   Nicolet B., 1978, A&AS, 34, 1.

[51]   Osterloh, M., Thommes, E., Kania, U., 1996, A&AS, 120, 267.

[52]   Pakull, M.W., 1981, A&A, 104, 33.

[53]   Pravdo, S. & Angelini, L.,1993, ApJ, 407, 232.

[54]   Reipurth, B. & Zinnecker, H., 1993, A&A, 278, 81.

[55]   Rydgren, A.E. & Vrba, F.J., 1983, ApJ, 267, 191.

[56]   Rydgren, A.E., Zak, D.S., Vrba, F.J., Chugainov, P.F., Zajtseva, G.V., 1984, AJ, 89, 1015.

[57]   Schachter, J.F., Remillard, R., Saar, S.H., Favata, F., Sciortino, S., Barbera, M., 1996, ApJ, 463, 747.

[58]   Shevchenko, V.S. et al. 1991, IAU Inf. Bull. Var. stars, 3652, p. 1

[59]   Shevchenko et al. 1993, ApJS,202, 121.

[60]   Shevchenko, V.S., Ezhkova, O.V., Kondratiev, V.B., Yakubov, S.D., 1995 IAU Inf. Bull. Var. stars, 4206, p. 1

[61]   Simon, M., Howell, R.R., Longmore, A.J., Wilking, B.A., Peterson, D.M., Chen, W.P., 1987, ApJ, 320, 344.

[62]   Simon, M., Ghez, A.M., Leinert, C., 1993, ApJ, 408, L34.

[63]   Simon, M., Ghez, A.M., Leinert, Ch., Cassar, L., Chen, W.P., Howell, R.R., Jameson, R.F., Mattheus, K., Neugebauer, G., Richichi, A., 1995, ApJ, 443, 625.

[64]   Simon, M. & Prato, L., 1995, ApJ, 450, 824.

[65]   Stone, R.C. & Taam, R.E., 1985, ApJ, 291, 183.

[66]   Strom, K.M., Strom, S.E., Edwards, S., Cabrit, S., Skrutskie, M.F., 1990, AJ, 97, 1451.

[67]   Strom, K.M. et al., 1990, ApJ, 362, 168.

[68]   Strom, K.M. & Strom, S.E. 1994, ApJ, 424, 237.

[69]   Tessier, E., Bouvier, J, Lacombe, F., 1994, A&A, 283, 827.

[70]   Torres et al. 1983, IAU Coll ,  bf71, p. 175

[71]   Vrba, F.J., Rydgren, A.E., Chugainov, P.F., Shakhovskaya, A.I., Zak, D.S., 1986, ApJ, 306, 199.

[72]   Vrba, F.J., Chugainov, P.F., Weaver, Wm.B., Stauffer, J.S., 1993, AJ, 106, 1608.

[73]   Walker, M.F. USNO Pub. XXV, part 2 1985

[74]   Walker, M.F., 1990, PASP, 102, 726.

[75]   Walter, F.M., 1986, ApJ, 306, 573.

[76]   Walter, F.M., Brown, A., Linsky, J.L., Rydgren, A.E., Vrba, F.J., Roth, M., Carrasco, L., Chugainov, P.F., Shakhovskaya, A.I., 1987, ApJ, 314, 297.

[77]   Walter, F.M., Vrba, F.J., Mathieu, R.D., Brown, A., Myers, P.C., 1988, AJ, 96, 297.

[78]   Walter, F.M., Vrba, F.J., Mathieu, R.D., Brown, A., Myers, P.C., 1994, AJ, 107, 692.

[79]   Welty, A.D.,by 1995, AJ, 110, 776.