1. Novel tricyclic terpanes (C19, C20) in sediments and petroleum;Aquino Neto;Tetra. Lett.,1982
2. Subaerial weathering of sedimentary organic matter;Clayton;Geochim. Cosmochim. Acta,1978
3. Organic geochemistry of black shales and oils in the Minnelusa Formation (Permian and Pennsylvanian), Powder River Basin, Wyoming;Clayton,1984
4. Biodegradation of crude oils in reservoirs;Connan,1984
5. A sedimentological and organic geochemical study of the Botneheia Formation, Svalbard, with special emphasis on the effects of weathering on the organic matter in shales;Forsberg,1983