1. Ameriean Public Health Association, Inc. 1967. Standard Methods for the Examination of Dairy Products. 1st edition, New York City.
2. The ion-exchangeable calcium in raw and heated skimmilk as determined by the “Resin Contact Time Method.”;Baker;J. Dairy Sci.,1956
3. A study of the effect of heat upon ionic availability in milk;Baker;J. Dairy Sci.,1954
4. Method for the routine measurement of ionized cations in milk;Belec;J. Dairy Sci.,1963
5. Estimation of calcium ion activity in milk and other biological fluids;Christianson;J. Dairy Sci.,1952