TY  - BOOK
AU  - Garg,Santosh Kumar
AU  - Garg,Rajeshwari
TI  - Environmental engineering (vol.2) Sewage disposal and air pollution engineering
U1  - 628 22
PY  - 1992///
CY  - New delhi
PB  - Khanna Publishers
KW  - environmental engineering
N1  - Includes bibliographical references and index
ER  -