TY  - BOOK
AU  - Baltes,N.
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  - Metamorphism of different types of organic matter from sedimentary rocks of Romania and their importance for oil generation
U1  - 060-665.5 W938 1979 
ER  -