Enger, Eldon D. Environmental science / Eldon D. Enger. - 11th - Boston New York : McGraw-Hill, 2009. - xxvi, 488p.: ill 26cm Includes index English ISBN: 978-0-07-128275-8 Subjects--Topical Terms: Environmental science--TextbooksEnvironmental sciences LC Class. No.: 363.7 En32e