1. Degradation of plant remains in organic sediments;Barghoorn;Harvard University, Botanical Museum Leaflets,1949
2. Degradation of plant tissue in organic sediments;Barghoorn;Journal of Sedimentary Petrology,1952
3. Arthropod cuticles in coal;Bartram;Journal of the Geological Society,1987
4. Neue Erkennntnisse aus dem Gebei der Palaomykologie der Kohle;Benes;Freiberger Forshungshefte C,1959
5. Die Fungidurite aus dem Siberiens;Benes;Freiberger Forshungshefte,1960