1. Phase states of methane in fossil coals;Alexeev;Solid State Communications,2004
2. Armstrong, Wardell, 1991, Techno-economic feasibility study of Barapukuria Coal Project, Dinajpur, Bangladesh.
3. Bakr, M.A., Rahman, Q.M.A., Islam, M.M., Islam, M.K., Uddin, M.N., Resan, S.A., Haider, M.J., Islam, M.S., Ali, M.W., Choudhury, M.E.A., Mannan, K.M., and Anam, A.N.M.H., 1996. Geology and coal deposits of Barapukuria Basin, Dinajpur District, Bangladesh, Records of Geological Survey of Bangladesh. 8, pt 1.
4. Continuous gas monitoring for the assessment of outburst proneness at a mining face;Beamish;International Journal of Mining and Geological Engineering,1990
5. Status of worldwide coal mine methane emissions and use;Bibler;International Journal of Coal Geology,1998