THOLEN D.J. (1984) Asteroid taxonomy from cluster analysis of photometry (Ph.D. dissertation, Univ. Arizona, Tucson).
THOLEN D.J. (1989) Asteroid taxonomic classifications (In Asteroids II, eds. R.P. Binzel, T. Gehrels, M.S. Matthews, pp. 1139-1150. Univ. Arizona Press, Tucson, Arizona, USA). Best regards, Bernd ______________________________________________ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
