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My early memories of Fritz Houtermans, by G. Gamow. Early history of the earth, by W.M. Elsasser. Radioactive heat production in eclogite and some ultramafic rocks, by G.R. Tilton and G.W. Reed. Some recent researches on lead isotope abundances, by R.D. Russell. The concentration of common lead in sea water, by M. Tatsumoto and C.C. Patterson. Rates of sediment accumulation in the Indian Ocean, by E.D. Goldberg and M. Koide. The natural distribution of radiocarbon: mixing rates in the sea and residence times of carbon and water, by H. Craig. On the investigations of geophysical processes using cosmic ray produced radioactivity, by D. Lal. Neutrons in meteorites, by P. Eberhardt, J. Geiss and H. Lutz. The tritium content of atmospheric hydrogen and atmospheric methane, by F. Begemann. Tritium in rainwater, by H.v. Buttlar. Cosmic ray produced Na22 and Al26 activities in chondrites, by M.M. Biswas, C. Mayer-Böricke and W. Gentner. Isotopic and chemical composition of some terrestrial natural gases, by G.J. Wasserburg, E. Mazor, R.E. Zartman. Rare gases in the sun, in the atmosphere, and in meteorites, by P. Signer and H.E. Suess. The half-life of 187Re, by B. Hirt [and others]. Reversible and irreversible thermal effects on the thermoluminescence of limestone, by E.J. Zeller and L.B. Ronca |
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