Chemistry and Physics of Coal Utilization 1980 : APS, Morgantoun / editors, Bernard R. Cooper and Leonidas Petrakis. - New York : American Institure of Physics, 1981 - 472 tr. Subjects--Topical Terms: Coal liquefaction -- Congresses.Coal -- Analysis -- Congresses. Subjects--Index Terms: Hóa học Khí hóa lỏng Than Dewey Class. No.: 662.6/22 / CHE 1981