Citation: Ew. Hagaman et al., Search for retrogressive reactions accompanying demineralization in nativeand air-oxidized coals, SOL ST NUCL, 16(1-2), 2000, pp. 69-75
Citation: Ew. Hagaman et Sk. Lee, Acid-catalyzed cross-linking reactions at benzylic sites in fluorene monomers, polymers, and lignin, ENERG FUEL, 13(5), 1999, pp. 1006-1014