TY  - GEN
AU  - Singh, J.S.
AU  - Singh, S.P.
AU  - Gupta, S.R.
TI  - Ecology environment and resource conservation
SN  - 81-88342-55-6
U1  - 574.52 
PY  - 2006///, r2008
CY  - New Delhi
PB  - Anamaya Pub.
KW  - ECOLOGY
KW  - ENVIRONMENT
KW  - RESOURCE CONSERVATION
N1  - Bibliogaphy: p. 643-78
ER  -