TY  - BOOK
AU  - Crawford , Martin
TI  - Air pollution control theory
U1  - 628.53 21st ed.
PY  - 1980///
CY  - New Delhi
PB  - Tata McGraw-Hill Publishing
KW  - Air quality management
KW  - Air-Pollution
N1  - Index: pp 618-24
ER  -