TY  - BOOK
AU  - De Kumar, Anil
AU  - De Kumar,Arnab
TI  - Environmental engineering
SN  - 9788122424621
AV  - TA 170 .D4 2009 
PY  - 2009///
CY  - New Delhi
PB  - New Age International Publishers
KW  - Environmental engineering
N1  - Includes index
ER  -