TY  - BOOK
AU  - Wright, Richard T
TI  - Environmental science / 
SN  - 81-203-3065-X
U1  - 333.7 
PY  - 2005///
CY  - New Delhi
PB  - Prentice-hall
KW  - Ecology
KW  - Environmental science
N1  - Includes index
ER  -