1. Inter-relation of calcium and magnesium absorption;Alcock;Clin. Sci.,1962
2. Some tables for the ionic composition of sea water;Barnes;J. exp. Biol.,1954
3. The water economy of land birds;Bartholomew;Auk,1963
4. Water and salt balance in granivorous birds;Cade,1964
5. Effects of magnesium ions on calcium and phosphorus metabolism;Clark;Am. J. Physiol.,1968