TY  - BOOK
AU  - Saxena, K. K.
AU  - Agrawal, Devendra Kumar
AU  - Soni, Sharda
TI  - Paryavarana engineering and safety: ( Environmental engineering & safety )
U1  - 628 
PY  - 2007///
CY  - Delhi
PB  - S. K. Publishers
KW  - Civil engineering.
KW  - Environmental engineering
ER  -