1. 238U206Pb-235U207Pb-232Th208Pb zircon geochronology in alpine and non-alpine environment;Allègre;Contrib. Mineral. Petrol.,1974
2. A grinder-polisher for fabricating mini-spheres;Bandyopadhyay;Indian Journ. of Earth Sciences,1976
3. A low contamination method for the hydrothermal decomposition of zircon and extraction of U and Pb for isotopic age determinations;Krogh;Geochim. Cosmochim. Acta,1973
4. The effect of regional metamorphism on U-Pb systems in zircon and a comparison with Rb-Sr systems in the same whole rock and its constituent minerals;Krogh;Carnegie Inst. Wash. Yearb.,1973
5. Alteration in zircons with discordant U-Pb ages;Krogh;Carnegie Inst. Wash. Yearb.,1974