Čejka, J., Sobalík, Z., Kříbek, B. Laboratory Oxidation of Fossil Organic Matter Studied by in-situ Infrared Spectroscopy, Rock-Eval Pyrolysis and Pyrolysis-Gas Chromatography-Mass Spectrometry. Collection of Czechoslovak Chemical Communications. 1997, 62(2), 364-374. ISSN 0010-0765.