TY  - BOOK
AU  - DE A. K.
TI  - ENVIRONMENTAL CHEMISTRY 5TH EDITION
SN  - 81-224-1488-5
U1  - 540 
PB  - NEW AGE INTGERNATIONAL PUB.PVT.LTD., NEW DELHI
KW  - ENGG. CHEMISTRY
N1  - 11478
ER  -