Новый принцип биологии : Очерк теории симбиогенеза

This book, "Novyj printsip biologii Ocherk teorii simbiogeneza", by B. M. Kozo-Polyanskij, is a replication of a book originally published before 1924. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.