1. NEDO (New Energy and Industrial Technology Development Organisation). CWM in Japan; 1997.
2. Boylu F, Atesok G. Coal–water mixtures and their technologies. Fifth Coal Utilisation and Technology Symposium, Ankara, Turkey; 2000. p. 195–212.
3. Cassasa EZ, Parfitt GD, Toor EW, Rao SA, Sommer HT, Mitra A, Padmanabhan J, Matsuzaki Y, Marnicio R, Pleskow M. A program of basic research on the utilisation of CWM fuels. Final report to the US Department of Energy. Pittsburgh, PA: Pittsburgh Energy Technology Center; 1984.
4. Water absorption by coals: effects of pore structure and surface oxygen;Kaji;Fuel,1986
5. Coal;Van Krevelen,1961