1. Kohle als Substrat für Mikroorganismen: Untersuchung zur mikrobiellen Umsetzung nativer Steinkohle;Fakoussa;Diss. University of Bonn, West Germany,1981
2. Translation of “Coal As Substrate For Microorganisms. Investigations Of The Microbial Decomposition Of Untreated, Hard Coals”;Fakoussa,1987
3. Degradation of coal by the fungi Polyporus versicolor and Poria monticola;Cohen;Appl. Environ. Microbiol.,1982
4. Microbial solubilization of coal;Scott;Biotechnol. Progress,1986
5. Microbial conversion of low-rank coal: characterization of biodegraded product;Wilson;J. Energy and Fuels,1987