About SINGH R N
About Univ. Wollongong. N.S.W., AUS
About DENBY B
About Univ. Nottingham, Nottingham, GBR
About REN T
About Univ. Nottingham, Nottingham, GBR
About Mining Science & Technology
About longwall mining
About Mine fire,explosion and gas
About 採炭
About 自然発火
About リスク
About 知識