TY  - BOOK
AU  - International Conference on Petroleum Geochemistryand exploration in the afro-asian region (Dehradun ,1985)
AU  - Kumar, Ruby K.,ed.[et al]
TI  - Petroleum geochemistry and exploration in the Afro-Asian region
U1  - 553.28 
PY  - 1987///
CY  - Rotterdam
PB  - A.A. Balkema
ER  -