TY  - BOOK
AU  - RAMAKRISHNAN.R
TI  - PRINCIPLES OF ENVIRONMENTAL SCIENCE AND ENGINEERING
T2  - P646
SN  - 8178740400
U1  -  574 RAM 
PY  - 2006///
CY  - India
PB  - ESWAR PRESS
KW  - Civil Engineering
N1  - PAI&SONS
ER  -