TY  - BOOK
AU  -  Asthana,D.K.
AU  - Asthana, Meera
TI  - Environment: problems and solutions 
SN  - 8121916542
PY  - 1999///
CY  - New Delhi
PB  - S.Chand & Co.
KW  - Environmental sciences
KW  - Environmental policy
N1  - Includes index
ER  -