Sources/SRC0D8MQD2P55M9 SRC0D8MQD2P55M9 · source · click to copy Nonparametric estimation of the number of classes in a population Chao · 1984 · Scandinavian Journal of Statistics articleFree at the source Read at jstor.org Cited by1 Survey: inductive methods from fourteen fieldsSRC0D8NJDAY13ME