1. H. Uchiyama, S. Ehira and N. Kato, “Uo no Hinshitsu” (“Quality of Fish”), ed. by Japan. Soc. Sci. Fish., Koseisha Koseikaku Ltd., Tokyo, 1974, p. 81.
2. Y. Hashimoto, “The Technology of Fish Utilization,” ed. by R. Kreuzer, Fishing News Ltd., London, 1965, p. 57.