000 00247 a2200121 4500
082 _a555.4
_bIn2b
245 1 _aBULLETINS
260 _a
_b
_c
300 _a
440 _aSeries A. Economic Geology
_vNo. 24
964 _gCIRC
997 _aA5492 C
999 _c458260
_d458260