TY - BOOK AU - Enger, Eldon D. AU - Smith, Bradley F. TI - Environmental science SN - 978-0-07-128275-8 AV - 363.7 En32e PY - 2009/// CY - Boston New York PB - McGraw-Hill KW - Environmental science KW - Textbooks KW - Environmental sciences N1 - Includes index ER -