TY  - BOOK
AU  - Mortier,Ph
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  - Treatment of athabasca tar sands by methods used in ore dressing
U1  - 060-665.5 W938 1979 
ER  -