TY  - BOOK
AU  - P. L Diwakar Rao
TI  - Pollution control handbook 1986
U1  - 363.7 
PY  - 1986///
CY  - Secunderabad
PB  - Utility Publications Limited
N1  - P. L Diwakar Rao: Pollution control handbook 1986.  Secunderabad.  Utility Publications Limited, 1986.--(363.7DIW)
ER  -