%A International Symposium on Statistical Ecology %A Patil, Ganapati P. %A Pielou, E. C. %A Waters, William E. %T Many species populations, ecosystems, and systems analysis %I Pennsylvania State University Press %D 1971 %S The Penn State statistics series %V . Statistical ecology ; v. 3 %U https://ci.nii.ac.jp/ncid/BA03925760