TY  - GEN
AU  - Varandani, N.S.
TI  - Environmental engineering: principles and practices 
SN  - 9789332581951 (pbk.)
AV  - TD145 .S2397
U1  - 628 
PY  - 2017///
CY  - Chennai
PB  - Pearson
KW  - Environmental engineering
KW  - Environmental health
N1  - Includes bibliography and index
ER  -