[文献書誌] Matsunaga,T.,Fuda,K.,Aoyama,A.,and Okada,Y.: "Liquid Products by Contact Reforming of Low Temperature Volatile Matter from Datong Coal with Pillared Clay Compounds and HYーZeolite" Proc.of the 3rd ChinaーJapan Symp.on Coal and C_1 Chemistry(at Kunming,China,1990). 121-126 (1990)