00319nam a2200121 a 4500008004100000050002000041100001800061245003400079260004000113300001500153350000900168650002000177120416s1977    ||||||||||||||||| ||    u  aQE 501.4.N9 Fau  aFaure, Gunter10aPrinciples of isotope geology  aNew YorkbJohn Wiley and Sonsc1977  axii, 464p.  a0.00  aISOTOPE GEOLOGY