Brauner, Gerhard
Rockburstsin coal mines and their prevention Gerhard Brauner - Rotterdam: A. A. Balkema, 1994. - vii, 144p.
HB
Eng
905410158X
Coak mine and mining
622 / BRR
Rockburstsin coal mines and their prevention Gerhard Brauner - Rotterdam: A. A. Balkema, 1994. - vii, 144p.
HB
Eng
905410158X
Coak mine and mining
622 / BRR