TY  - GEN
AU  - Ashworth, William
AU  - Little, Charles E
TI  - The encyclopedia of environmental studies
T2  - Viva Facts of File
SN  - 8130902362
U1  - 333.73 
PY  - 2006///
CY  - New Delhi
PB  - Viva Books
KW  - ENCYCLOPEDIAS
KW  - ENVIRONMENT
KW  - ENVIRONMENTAL STUDIES
ER  -