著者名	書名	版表示	出版者名	出版年	シリーズ名	番号	ISBN	ISSN	URL
International Symposium on Statistical Ecology and Patil, Ganapati P. and Pielou, E. C. and Waters, William E.	Many species populations, ecosystems, and systems analysis		Pennsylvania State University Press	1971	The Penn State statistics series	. Statistical ecology ; v. 3	0271001135		https://ci.nii.ac.jp/ncid/BA03925760