TY  - BOOK
AU  - Asthana,D K
TI  - Environment: Problems and Solutions
SN  - 9788121916929
U1  - 628 
PY  - 1998///
CY  - New Delhi
PB  - S Chand and co.
KW  - Environmental pollution
KW  - Architecture
N1  - diagrams,table,ref,graphs,list,index
ER  -