TY  - BOOK
AU  - Prakash, Ram
TI  - Man,science and environment
SN  - 8170245524
AV  - GF 75 Pra 
PY  - 1993///
CY  - New Delhi
PB  - Ashish publishing house
KW  - HUMAN BEINGS--EFFECTS OF ENVIRONMENT ON
KW  - ENVIRONMENT
ER  -