00628cam a2200193 4500 944141888 TxAuBib 20230821120000.0 230820s2023||||||||||||||||||||||||eng|u 71454 Project Gutenberg PGUSA eng TxAuBib Adams, Charles Christopher. Guide to the study of animal ecology [Gutenberg] / Charles Christopher Adams. Project Gutenberg, 2023. Project Gutenberg ; 71454 Public domain in the USA. Electronic text. Project Gutenberg ; 71454. http://www.gutenberg.org/ebooks/71454