Planning of the Underground Gasification Trial of Coal
石炭地下ガス化の現場試験計画に関する研究

Shoji IKI
1969 Journal of the Mining and Metallurgical Institute of Japan  
doi:10.2473/shigentosozai1953.85.978_889 fatcat:6f54wzvbbzggfpaqpg23yjdz5m