000 00409nam a2200133Ia 4500
005 20240911061608.0
008 190117s9999 xx 000 0 und d
020 _a070114617
082 _a665.722
_bCHI
100 _aChironis, Nicholas P.
245 0 _aCoal age second operating handbook of underground mining /
_cNicholas P. Chironis
260 _aNew York :
_bMcGraw-Hill,
_c1980
650 _aUnderground mining
999 _c15890
_d15890