Reports
York, D., Yanase, Y. and Berger, G.W. “Determination of Geological Time with a Nuclear Reactor and a Mass Spectrometer” Proc. NATO Adv. Study Inst. On Activation Analysis in Geochemistry and Cosmochemistry, Kjeller, Norway, ed. A.O. Brunfelt and E. Steinners (1970): 419-422.
