TY  - BOOK
AU  - Asthana.D.K
AU  -  Meera Asthana
TI  - Environment Problems & Solutions
SN  - 81-219-1654-2
PY  - 2005///
CY  - New Delhi
PB  - S chand New D
KW  - Environment Engg
KW  - Mechanical
N1  - YES
ER  -