1. Strontium isotopic variation and whole rock isochron studies in the Grenville Province of Ontario;Krogh;Inst. Technol., Ann. Progr. Rept.,1964
2. Isotope dilution analysis of common and radiogenic strontium using 84Sr-enriched spike;Long;Earth Planetary Sci. Letters,1966
3. Data reduction for 84Sr spiked samples;Van Schmus;Inst. Technol., Ann. Progr. Rept.,1966
4. Mass spectrometric isotope dilution analysis;Webster,1960