author = { Haas, Peter J. AND Stokes, Lynne },

title = { Estimating the number of classes in a finite population },

publisher = {IBM},

year = {1996},

booktitle = {Research report ; RJ / IBM Research Division, Almaden Research Center ; 10025},

address = { Almaden [u.a.] },

url = { http://slubdd.de/katalog?TN_libero_mab2 }