Enger, Eldon D. Environmental science : a study of interrelationships / Eldon D. Enger, Bradley F. Smith. - 15th ed., - New York : McGraw-Hill Education, 2019 - xix, 516 p. : ill. ; 27 cm. ISBN: 9781260091649 Subjects--Topical Terms: Environmental sciences Dewey Class. No.: 363.7 / En57E 2019