1. Germanium in British coals;Aubrey;Fuel,1952
2. Radioactive equilibrium in ancient marine sediments;Breger,1955
3. The geochemistry of a uraniferous lignite;Berger,1954
4. Effects of destructive distillation on the uranium associated with selected naturally occurring carbonaceous substances;Breger;Science,1954
5. Atomic energy and economic progress;Eklund;Quart. Rev. Skand. Banken,1947