TY  - BOOK
AU  - Agarwal, S. K.
TI  - Environmental Monitoring 
SN  - 8176488240
U1  - 363.7063 
PY  - 2005///
CY  - New Delhi : 
PB  - APH publishing Corporation, 
KW  - Environmental Monitoring
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/81-7648-824-0.pdf
ER  -