TY  - BOOK
AU  - Westberg Karl
AU  -  Cheng R T
TI  - Chemistry of air pollution
T2  - MSS series on air pollution; 1
U1  - L:558:(E), L3-;3 
PY  - 1973///
CY  - New York    
PB  -  M S S Information     
KW  - Air pollution
ER  -