1. Nature of kerogen from the Green River shale based on the character of the products of a forty-step alkaline permanganate oxidation;Amblès,1983
2. Nature of kerogen from the Green River shale based on the character of the products of a forty-step alkaline permanganate oxidation. Evidence from soluble acids;Amblès;Bull. Soc. chim. Beograd,1981
3. Multistage alkaline permanganate degradation of a type I kerogen;Djordjević;Bull. Soc. chim. Beograd,1983
4. Kerogen, Insoluble Organic Matter From Sedimentary Rocks,1980
5. Elemental analysis of kerogens;Durand,1980