TY  - BOOK
AU  - Kumar Kamalesh
TI  - BASICS OF ENVIRONMENTAL RESOURCE MANAGEMENT 
SN  - 9788122436693
AV  - TP159.4 .K86 2015
PY  - 2015///
CY  - New delhi
PB  - new age international
KW  - filters and filtration
N1  - includes references
ER  -