TY  - BOOK
AU  - Mathis,James F.
ED  - Exxon
ED  - World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest)
ED  - Exxon
TI  - Intensified use of petroleum and natural gas for petrochemicals
U1  - 060-665.5 W938 1979 
ER  -