TY  - BOOK
AU  - Hayes-Roth,Frederick
ED  - Teknowledge
ED  - World Petroleum Congress (12th : 1987 26 abr/1 may : Houston)
ED  - Teknowledge
TI  - Expert systems applied to the petroleum insdustry - Upstream portion
U1  - 060-665.5 W938 1987 
ER  -