TY  - BOOK
AU  - Gregory,K.J.
TI  - Environmental sciences: a student's companion 
SN  - 9781412947046 (hbk.)
U1  - 363.7 22
PY  - 2009///
CY  - Los Angeles, London
PB  - Sage
KW  - Environmental sciences
KW  - sears
N1  - Includes bibliographical references and index
ER  -