TY  - GEN
AU  - Diwan , A. P.
AU  - Arora , D.K.
TI  - Ecology of environmental cycles
SN  - 8174881204
U1  - 333.7 
PY  - 1995///
CY  - New Delhi
PB  - Anmol Publications
KW  - ECONOMICS
KW  - ENVIRONMENT
KW  - ECOLOGY
ER  -