00609cam a2200193 4500 1104428469 TxAuBib 20190829120000.0 ||||||s1991||||||||||||||||||||||||und|u 9780395515976 0395515971 TxAuBib Montgomery, Sy. Walking with the great apes : Jane Goodall, Dian Fossey, Biruté Galdikas. Boston : Houghton Mifflin Co, 1991. xix, 280 p. : ill. ; 22 cm. 20190829. https://lccn.loc.gov/90048043