About EDWARDS J S
About Univ. Nottingham
About RILEY P A
About Univ. Nottingham
About EDIZ I G
About Univ. Nottingham
About SLATER J R
About Univ. Nottingham
About Mining Engineer (London)
About coal mine
About gas drainage
About Mine fire,explosion and gas
About 炭鉱
About メタン
About ガス抜き
About 研究