TY  - BOOK
AU  - Gregory, Kenneth J
TI  - Environmental sciences : a student's companion
SN  - 9781412947053
SN  - 200893320
U1  - 628 GRE 
PY  - 2009///
CY  - Thousand Oaks, CA
PB  - SAGE
KW  - Environmental sciences
N1  - Includes bibliographical references and index
ER  -