TY - BOOK AU - Botkin, D. B. AU - Keller, E. A. TI - Environmental science: earth as a living planet SN - 978-0-470-52033-8 U1 - e-book (MDP) PY - 2011/// CY - USA PB - John Wiley & Sons, Inc. N1 - Includes bibliographical references, index, and notes ER -