Kaelin, Paul E Comparison of vitrified and unvitrified Eocene woody tissues by TMAH thermochemolysis - implications for the early stages of the formation of vitrinite. [electronic resource] - Geochemical transactions Oct 2006 - 9 p. digital Publication Type: Journal Article ISSN: 1467-4866 Standard No.: 10.1186/1467-4866-7-9 doi