References

• Abell G.O., Corwin H.G., Olowin R.P., 1989, ApJS 70, 1 NASA ADS
• Arimoto N., Yoshii Y., 1987, A&A 297, 610 NASA ADS
• Bernstein G.M., Nichol R.C., Tyson J.A., Ulmer M.P., Wittman D., 1995, AJ 110, 1507 NASA ADS
• Binggeli B., Sandage A., Tamman G.A., 1988, ARA&A 26, 509 NASA ADS
• Biviano A., Durret F., Gerbal D., Le Fèvre O., Lobo C., Mazure A., Slezak E., 1995, A&A 297, 610 NASA ADS
• Burnstein D., Heiles C., 1982, AJ 87, 1165 NASA ADS
• Buzzoni A., Chincarini G., Molinari E., 1993, ApJ 410, 499 NASA ADS
• Buzzoni A., 1995, ApJS 98, 69 NASA ADS
• Colless M., 1989, MNRAS 237, 799 NASA ADS
• De Grandi S., Molendi S., Bohringer H., Chincarini G., Voges W., 1997, ApJ 486, 738 NASA ADS
• De Grandi S., et al., 1999, ApJ 514 (in press)
• De Propris R., Pritchet C.J., 1988, AJ 116, 1118 NASA ADS
• Gunn J.E., Hoessel J.G., Oke J.B., 1986, ApJ 306, 30 NASA ADS
• Garilli B., Bottini D., Maccagni D., Carrasco L., Recillas E., 1996, ApJS 105, 91
• Hilker M., et al., 1999, A&AS 134, 75 NASA ADS
• Lopez-Cruz O., Yee H.K.C., Brown J.P., Jones C., Forman W., 1997, ApJL 101, 97L
• Metcalfe N., Godwin J.G., Peach J.V., 1994, MNRAS 267, 431 NASA ADS
• Molinari E., Buzzoni A., Chincarini G., Pedrana M.D., 1995, A&A 292, 54 NASA ADS
• Molinari E., Smareglia, 1998, A&AS 330, 447 NASA ADS
• Molinari E., Buzzoni A., Chincarini G., 1996, A&AS 119, 391 NASA ADS
• Molinari E., Chincarini G., Moretti A., De Grandi S., 1998, A&A 338, 874 (Paper I) NASA ADS
• Robin A., et al., 1995, http://WWW.obsbesancon.fr/ /www/modele/modele_ang.html
• Sarazin C.L., 1988, X-ray emission from cluster of galaxies, Astrophysics Series. Cambridge University Press, New York
• Secker J., 1996, ApJL 469, L81
• Strajzhis V., Sviderskene Z., 1972, Bull. Vilnius astr. Obs. 35, 1
• Thuan T.X., Gunn J.E., 1976, PASP 88, 543 NASA ADS
• Trentham N., 1997, MNRAS 290, 334 NASA ADS
• Trentham N., 1998, MNRAS 294, 193 NASA ADS
• Visvanathan N., Sandage A., 1977, ApJ 216, 214 NASA ADS
• Wade R.A., Hoessel J.G., Elias J.H., Huchra J.P., 1979, PASP 91, 35 NASA ADS
• Withmore B.C., Gilmore D.M., 1991, ApJ 367, 64 NASA ADS
• West R.M., Kruszewski A., 1981, Irish Astron. J. 15, 25 NASA ADS