000 00277nam a2200121 a 4500
003 EIA
001 1910
942 _02
_2ddc
_cBK
245 _aPlacer exploration :
_bmining short course
260 _c1976
008 141112s1976 ck r 000 u spa d
082 _a622.32
_bU58p
999 _c10798
_d10798