1. ; In Fish Oils: Their Chemistry, Technology, Stability, Nutritional Properties, and Uses; Ed.; AVI Publishing Company: Connecticut; 1967, p 222.
2. (a) In Nutritional Evaluation of Long-Chain Fatty Acids in Fish Oil; Eds.; Academic: New York, 1982; p 25;
3. (b) In Fish Oils: Their Chemistry, Technology, Stability, Nutritional Properties, and Uses; Ed.; AVI Publishing Company: Connecticut, 1967; p 3;
4. (c) ; ; In Fish Oils in Nutrition; Ed.; Van Nostrand Reinhold: New York, 1990; p 6.
5. (to Sommer-Schmidding-Werke Vertriebsgesellschaft m.b.H.) Brit. Pat. 477, 162, December 23, 1937.