000 00554nam a2200193Ia 4500
999 _c3394
_d3394
005 20221014110703.0
008 180712s9999 xx 000 0 und d
020 _a454000871
041 _aEN
082 _a622
_bTHO
_223
100 _aThomas, Leon J.
245 3 _aAn Introduction to mining: exploeation, feasibility, extraction, rock mechanics
_c/ Leon J.Thomas
260 _a[S.l]
_bMethuen of Australia
_c1979
300 _aix, 471 p.
500 _a Includes appendix and index.
509 _aNS
650 _aMaining engineering
942 _cS