1. Variationen der stabilen Wasserstoff- und Kohlenstoffisotoe in Erdölen unter Berücksichtigung des Ölchemismus;Berner,1982
2. Oil source beds and oil prospect definition in the Upper Tertiary of the Gulf Coast;Dow;Gulf Coast Assoc. Geol. Soc.,1984
3. Precambrian organic geochemistry preservation of the record;Hayes,1983
4. Multivariate statistical analysis in formation evaluation;Hempkins;Soc. Pet. Engr. Prepr.,1978
5. The stable isotopes of hydrogen in Precambrian organic matter;Hoering,1977