1. Technology of Lignite Using;Dai,1999
2. Production and Application of Coal Humic Acid;Zheng,1991
3. Microbial solubilization of a preoxidized subbituminous coal: product characterization;Faison;Applied Biochemistry and Biotechnology,1990
4. Study on coal desulfurization by white rot fungus;Xu;Journal of China Coal Society,1999
5. Pretreatment of coal/pyrite surface with germs for property modification—a new technology of microbial coal desulfurization;Zhang;China Coal,1997