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008 160721b xxu||||| |||| 00| 0 eng d
082 _a555.4
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100 _a
_d
245 1 _aBULLETINS
440 _aSERIES A. ECONOMIC GEOLOGY
_vno. 25
964 _gCIRC
997 _a83837 C
998 _c10005
_d10005
999 _c483335
_d483335