000 00236nam a2200097 4500
999 _c334412
_d334412
082 _a553.492
_bRAN.I
100 _aRankama, Kalervo
245 _aIsotope Geology
_cRankama, Kalervo
260 _aLondon
_c1954
_b Pergamon Press
942 _cBK