1. Albrecht, T. W. Factors in Response of Milk to Coagulation of Milk by Rennin. Ph.D. thesis, University of Wisconsin. 1949.
2. Synthetic Milk as a Basis for Research;Clark;J. Dairy Sci.,1927
3. Final Report of the Committee on Methods of Determining Curd Tension of Milk;J. Dairy Sci.,1941
4. Zut Frage, ob das Casein ein Einkeitliches Stoff sei;Hammarsten;Z. Physiol. Chem.,1883
5. The Physical Curd Character of Milk and Its Relationship to Digestibility and Food Value of Milk for Infants;Hill;Utah Agr. Expt. Sta., Bull.,1928