TY  - BOOK
AU  - Hahn,Albert V.G., x
AU  - x
TI  - The petrochemical industry: Maket and economics
SN  - x
U1  - 660/HAP 
PY  - 1970///
CY  - Mcgraw - Hill
PB  - McGraw - Hill
KW  - Chemnistry, Inorganic
KW  - Chemistry
N1  - x
ER  -