1. Associates of Lore A. Rogers. Fundamentals of dairy science. 1928 edition, page 364.
2. The cellular test for pasteurized milk under practical conditions;Frost;Jour. Dairy Sci.,1919
3. Proben zur Feststellung des Erhitzungsgrades der Milch;Orla-Jensen;Z. Untersueh. Lebensm.,1932
4. Nachweis der Dauerpasteurisierung;Bengen;Z. Untersuch. Lebensm.,1933
5. A chemical method for identification of pasteurized, boiled and sterilized milk;Landany;Bull. Soc. Chim. Yougoslav,1931