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2. Rusin E,. Potyka W,. Dusza M,. and Orszulik E,., Properties and structure of calcined cokes obtained from heavy products of subbituminous coal hydrogenation,Proc. Conf. on Carbon, 1988, p. 377–379.
3. Effect of coal hydrogenation variables on the properties and structure of the heavy residues and derived cokes from two Polish subbituminous Coals;Rusin;Fuel,1989
4. Hydrogenation behaviour of a Polish subbituminous Coal;Rusin;Fuel,1988