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The procedure used to develop a coal char classification-Commission III Combustion Working Group of the International Committee for Coal and Organic Petrology Lester E, Alvarez D, Borrego AG, Valentim B, Flores D, Clift DA, Rosenberg P, Kwiecinska B, Barranco R, Petersen HI, Mastalerz M, Milenkova KS, Panaitescu C, Marques MM, Thompson A, Watts D, Hanson S, Predeanu G, Misz M, Wu T International Journal of Coal Geology, 81(4), 333, 2010 |