1. Aldrich, L.T. and Wetherill, G.W.: Geochronology by radioactive Decay.–Annual Rev. Nucl. Sci. 8, 257–298, 1958.
2. Amirkhanoff, K.K., Brandt, S.B. and Bartnitsky, E.N.: Radio-genic argon in minerals and its migration.–Anal. N.Y. Ac. Sci. 91, Art. 2, 235–275, 1961.
3. Carslaw, H.S. and Jaeger, J.C.: Conduction of heat in solids (2nd Ed.) S. 92, Clarendon Press, Oxford, 1959.
4. Damon, P.E. and Kulp, J.L.: Argon in mica and the age of the Beryl Mt. N.H. Pegmatite.–Am. J. Sci. 255, 697–704, 1957.
5. Damon, P.E.: Correlation and Chronology of ore deposits and Vulcanic rocks. – Univ. Arizona An. Progr. Rep. No. C 00–689–42–Contract AT (11–1)–689, 1964.