TY  - GEN
AU  - Asthana, D.K
AU  - Asthana, Meera
TI  - Environment: Problems and solutions
SN  - 8121916925
U1  - 363.7 
PY  - 1998///
CY  - New Delhi
PB  - S.Chand
KW  - ENVIRONMENTAL PROBLEMS
KW  - Social problems
ER  -