TY  - BOOK
AU  - Ashworth, William.
AU  - Little, Charles E  .
TI  - Viva-facts on file encyclopedia of environmental studies / 
SN  - 9788130915425
U1  - 372.35703 372.35703
PY  - 2011///
CY  - New Delhi : 
PB  - Viva Books , 
KW  - ENVIRONMENTAL STUDIES
N1  - Includes bibliography and index
ER  -