000 00303nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.1 G971
100 _aGULSON,B.L
245 0 _aLEAD ISOTOPES IN MINERAL EXPLORATION
260 _aAmsterdam
_bElsevier
_c1986
300 _a25X17
942 _cBK
_2DDC
999 _c20995
_d20995