MEASUREMENTS OF LOADS CARRIED BY FACE PROPS AT COAL MINES
炭礦に於ける切羽支柱にかゝる荷重

Ato ABE
1940 Journal of the Mining and Metallurgical Institute of Japan  
doi:10.11508/shigentosozai1885.56.388 fatcat:5wdgvpn4w5fgvbkbs4dh55iihm