1. Oil and Organic Matter in Source Rocks of Petroleum;Hunt;Bull. Amer. Assoc. Petrol. Geol.,1956
2. Hydrocarbons in Recent Sediments;Meinschein,1957
3. Studies on Origin of Petroleum: Occurrence of Hydrocarbons in Recent Sediments;Smith;Bull. Amer. Assoc. Petrol. Geol.,1954
4. Hydrocarbons in Sediments of the Gulf of Mexico;Stevens;Bull. Amer. Assoc. Petrol. Geol.,1956