Authors: Koopmans, MP Rijpstra, WIC Klapwijk, MM de Leeuw, JW Lewan, MD Damste, JSS

Citation: Mp. Koopmans et al., A thermal and chemical degradation approach to decipher pristane and phytane precursors in sedimentary organic matter, ORG GEOCHEM, 30(9), 1999, pp. 1089-1104

Authors: Putschew, A Schaeffer-Reiss, C Schaeffer, P Koopmans, MP De Leeuw, JW Lewan, MD Damste, JSS Maxwell, JR

Citation: A. Putschew et al., Release of sulfur- and oxygen-bound components from a sulfur-rich kerogen during simulated maturation by hydrous pyrolysis, ORG GEOCHEM, 29(8), 1998, pp. 1875-1890

Authors: Clegg, H Horsfield, B Wilkes, H Sinninghe-Damste, J Koopmans, MP

Citation: H. Clegg et al., Effect of artificial maturation on carbazole distributions, as revealed bythe hydrous pyrolysis of an organic-sulphur-rich source rock (Ghareb Formation, Jordan), ORG GEOCHEM, 29(8), 1998, pp. 1953-1960

Authors: Schouten, S Hoefs, MJL Koopmans, MP Bosch, HJ Damste, JSS

Citation: S. Schouten et al., Structural characterization, occurrence and fate of archaeal ether-bound acyclic and cyclic biphytanes and corresponding diols in sediments, ORG GEOCHEM, 29(5-7), 1998, pp. 1305-1319

Authors: Koopmans, MP Carson, FC Damste, JSS Lewan, D

Citation: Mp. Koopmans et al., Biomarker generation from Type II-S kerogens in claystone and limestone during hydrous and anhydrous pyrolysis, ORG GEOCHEM, 29(5-7), 1998, pp. 1395-1402