000 00279 a2200121 4500
080 _a550.4
_bR 198 I
245 1 _aIsotope geology
_cby Kalervo Rankama
260 _aLondon
_c1954
650 _aIsotope Geology
100 1 _aRankama, Kalervo
_d
300 _a535 p.
901 _a43886
999 _c31117
_d31117