TY  - BOOK
AU  - Dobryanskii, Aleksandr F.
AU  - Gaul, Robert B.
TI  - TRANSFORMATION OF PETROLEUM IN NATURE
U1  - 553.282 
PY  - 1968///
CY  - Oxford
PB  - Pergamon Press
KW  - Petroleum -- Geology
KW  - Geochemistry
N1  - Includes Bibliography
ER  -