Turk, Jonathan. Environmental science / Jonathan Turk, Amos Turk with contributions by Karen Arms. - 3rd ed. - Philadelphia : Saunders College Pub., c1984. - xii, 544 p., [1] leaf of plates : ill., maps (some col.) ; 27 cm. Includes bibliographies and index. ISBN: 0030584671 LCCN: 83010075 Subjects--Topical Terms: Environmental sciences. LC Class. No.: QH541 / .T828 1984