TY  - BOOK
AU  - Sapru R K
TI  - Enviorement management  V 2
U1  - U:(G:55).2.N8, M7.1-M7.2 
PY  - 1987///
CY  - Delhi
PB  - Ashish Publishing House        
KW  - Geography
N1  - Bibliography chapterwise
ER  -