TY  - BOOK
AU  - Cooke,C.E.
ED  - Institute of Research and Projects for Oil and Gas
ED  - World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest)
ED  - Institute of Research and Projects for Oil and Gas
TI  - High-strength proppant extends deep well fracturing capabilities
U1  - 060-665.5 W938 1979 
ER  -