1. Variation in natural abundance of the lithium isotope;Cameron;J. Amer. Chem. Soc.,1955
2. Mass spectromatric determination of boron isotopic abundance in the near normal range;Finley;USAEC Report NBL-170,1961
3. Comparative boron isotopic analysis;Goris;USAEC Report IDO-14549,1961
4. Reliability of mass spoetromatric determination of boron isotope abundance;Haas;USAEC Report KAPL-2062,1959
5. The isotopic constitution of tungsten, silicon and boron;Inghram;Phys. Rev.,1946