TY  - BOOK
AU  - BOTKIN, Daniel B.
AU  - Keller, Edward A.
AU  - Heathcote, Isobel W.
TI  - Environmental science: earth as a living planet
SN  - 978-0-470-83688-0
U1  - 363.7 BOT 
PY  - 2006///
CY  - Ontario
PB  - John Wiley & Sons Canada, Ltd.
KW  - Environmental sciences
N1  - Includes bibliographical references and index
ER  -