1. On the time evolution of the atmospheric 40/Ar36 ratio (abstract);Alexander;EOS, Trans. Amer. Geophys. Union,1971
2. 40Ar-39Ar studies of Precambrian cherts (abstract);Alexander;EOS, Trans. Amer. Geophys. Union,1974
3. A model for the evolution of strontium and lead isotopes in a dynamic earth;Armstrong;Rev. Geophys.,1968
4. Computer simulation of Pb and Sr isotope evolution of the Earth's crust and upper mantle;Armstrong;Geochim. Cosmochim. Acta,1973
5. Report of activities;Aumento;Geol. Surv. Can. Paper 69-1 A,1968