Present status and technical problems for coal liquids and its utilization
石炭液化油の精製・利用における問題点

Suehiko YOSHITOMI, Yoshiro NOBE, Koji UKEGAWA
1988 Journal of the Fuel Society of Japan  
doi:10.3775/jie.67.2 fatcat:dqcd2a2jjrctlkqtjpqndjsjiy