000 00452cam a22001695a 4500
003 AR-BaBNM
007 ta
008 940103s1913 xx ||||| |||||||||||eng|d
035 _a000022257
040 _aAR-BaBNM
_bspa
_eaacr
100 1 _aEmmons, William Harvey
245 1 0 _aEnrichment of sulphide ores /
_cWilliam Harvey Emmons
260 _a[S.l.] :
_bGovernment Printing Office,
_c1913.
300 _a1 v.
942 _2udc
_cLIBRO
999 _c57157
_d57157
005 20230201210522.0