000 00377nam a2200133 a 4500
008 170703s1951#### ||||f#|||||00| 0#uuu#d
003 AR-SmCIES
091 _a25603
092 _a46
245 1 0 _aCopper: its ores, minig and extraction.
260 _a[s.l.] :
_b[s.n.],
_c1951.
999 _c23465
_d23465