000 00608nam a2200193zi 4500
005 20220307100957.0
008 970106s1903 a 000 0 eng d
035 _aMX001000444693
050 _aTN500
_bR525 1903
100 0 _aRichards, Robert Hollowell
_d1844-,
_eautor
245 1 0 _aOre dressing /
_cBy Robert h. richards
264 1 _aNew York :
_bEngineering and mining journal,
_c1903
300 _a2 volúmenes
650 4 _aPreparación mecánica de minerales
336 _atexto
_2rdacontent
337 _asin medio
_2rdamedia
338 _avolumen
_2rdacarrier
999 _c1720
_d1720