TY  - BOOK
AU  - Crawford,Martin
TI  - Air pollution control theory
SN  - 0070992665
PY  - 1980///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Air
KW  - Pollution
KW  - Gases
KW  - Cleaning
N1  - Includes index
ER  -