1. 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;Ambles;Bull. Soc. Chim. Beograd.,1981
2. Organic geochemistry of Walvis Bay diatomaceous ooze. I. Occurrence and significance of the fatty acids;Boon;Geochim. Cosmochim. Acta,1975
3. Organic geochemical studies of Solar Lake laminated cyanobacterial mats;Boon,1983
4. Constitution and BioSynthesis of Lignin;Freudenberg,1968
5. Is kerogen-like material present in coal? 1. Buffer controlled permanganate oxidation of coal;Hayatsu;Fuel,1981