1. Geochemistry of organic substances;Abelson,1959
2. Geochemistry of lipids;Bergmann,1963
3. Organic pigments: Their long-term fate;Blumer;Science,1965
4. Occurrence of normal paraffin hydrocarbons in nature;Clark;Woods Hole Oceanographie Institution Technical Report,1966
5. Evidence for transformations of normal fatty acids in sediments. Third International Meeting on Organic Geochemistry;Kvenvolden,1966