1. Some unsolved problems of geophysics;Adams;Trans. Amer. Geophys. Union,1947
2. Measuring geologic time by the strontium method;Ahrens;Bull. Geol. Soc. Amer.,1949
3. Gravity work by the Dominion Observatory;Anonymous;Can. Geophys. Bull.,1948
4. Gravity work by the Dominion Observatory;Anonymous;Can. Geophys. Bull.,1949
5. Review of cosmology;Bondi;Mon. Not. R. Astron. Soc.,1948