METHANE EVOLUTION IN LONGWALL WORKING FACE
長壁式採炭切羽に於けるメタン瓦斯湧出に就いて

Yosikatu HIRASE
1943 Journal of the Mining and Metallurgical Institute of Japan  
doi:10.11508/shigentosozai1885.59.310 fatcat:5e6gfwelzrcabf6lwyjsnwuxny