TY  - BOOK
AU  - Garg, Santosh Kumar 
AU  - Garg, Rajeshwari
TI  - Environmental engineering Vol. II : sewage disposal and air pollution engineering
U1  - 628G231e /1992 
PY  - 1992///
CY  - Delhi: 
PB  - Khanna Publishers, 
KW  - Environmental health
KW  - Air pollution
N1  - includes bibliography and index
ER  -