000 00748nam a2200229zi 4500
005 20220221131244.0
008 970106s1981 a 000 0 eng d
020 _a0895202700
035 _aMX001000378481
050 _aTN802
_bE45 1981
245 0 0 _aElements of practical coal mining /
_cDouglas f. crickmer, David a. zegeer eds.
250 _a2
264 1 _aNew York :
_bAmerican institute of mining, metallurgical, and petroleum engineers,
_c1981
300 _a847 páginas
650 4 _aHuella
_xMinas y mineria
700 _aZegeer, David A.,
_eeditor
700 _aCrickmer, Douglas F.,
_eeditor
336 _atexto
_2rdacontent
337 _asin medio
_2rdamedia
338 _avolumen
_2rdacarrier
999 _c5311
_d5311