TY  - GEN
AU  - Bhatia, H. S.                
TI  - A text book on environmental pollution and control
SN  - 8175152087 :
U1  - 628.5 
PY  - 2003///
CY  - Delhi
PB  - Galgotia,2003.
KW  - Environmental engineering
N1  - Distributer: Al-Ahram; Catalogued by: Sara
ER  -