TY  - BOOK
AU  - Rao, P. Venugopala 
TI  - Text book of environmental engineering
SN  - 9788120319301
U1  - 628.01 
PY  - 2015///
CY  - New Delhi
PB  - PHI Learnig
KW  - Civil engg
KW  - Environmental engineering
KW  - Ecology
KW  - Pollution Control
N1  - Includes bibliographical references and index
ER  -