1. A geochemical study of the exinite group maceral alginite, selected from three Permo-Carboniferous torbanites;Allan,1979
2. Artifactual origin of mycobacterial bacteran. Formation of melanoidin-like artifact macromolecular material during the usual isolation process;Allard;Organic Geochemistry,1997
3. Study of the Boom clay layer as a geochemical barrier for long-lived radionuclides;Baetsle,1985
4. The distribution and quantitation of organonitrogen compounds in crude oil and rock pyrolysates;Bakel,1990
5. Free and bound lipids from equatorial surficial sediments separated as a function of particle size;Barouxis,1987