TY  - GEN
AU  - MISRA, S P
AU  - PANDEY, S N
TI  - ESSENTIAL ENVIROMENTAL STUDIES
U1  - 577 MIS/ES 
CY  - NEW DELHI, ANE BOOKS
KW  - BIODIVERSITY
KW  - ECOSYSTEMS
KW  - ENVIRONMENTAL POLLUTION
KW  - NATURAL RESOURCES
KW  - SOCIAL ISSUES
ER  -