ABELSON, P. H. (1963): Organic geochemistry and the formation of petroleum. 6th World Petrol. Cong. Proc., Frankfurt Germany, Sect. I, pp. 397-407.
ABELSON, P. H. (1967): Conversion of biochemicals to kerogen and n-paraffins. Researches in Geochemistry (Editor P. H. Abelson), Vol. 2, John Wiley & Sons, Inc., New York, pp. 63-86.