TY  - GEN
AU  - Mishra, M.P
TI  - Our environment 
SN  - 8121918758
U1  - 577.2709 
PY  - 2000///
CY  - New Delhi
PB  - S.Chand & Company Ltd
KW  - Effects of human on ecology
KW  - Ecology
KW  - Specific factors affecting ecology
ER  -