Allen, J.A. History of North American Pinnipeds : a monograph of the Walruses, Sea-Lions, Sea-Bears and Seals of North America / by Joel Asaph Allen , Departament of the interior U. S. Geological and geographical survey of the territories F. V. Hayden, Geologist-in Charge; J.A. Allen .— : Government printing office, 1880 .— 797 с. — Lang: eng .— URL: https://rucont.ru/efd/90669 (дата обращения: 18.07.2024)