1. “Shochu Jozo Gijutsu,” Nihon Jozo Kyokai, Ed., Tokyo, Japan, 1985, p. 33.
2. “Jozo Seibun Ichiran,” Nihon Jozo Kyokai, Ed., Tokyo, Japan, 1977, p. 251.
3. L. Nykanen and H. Suomalainen, “Aroma of Beer, Wine and Distilled Alcoholic Beverages,” D. Reidel Publishing Company, Dordrecht, Holland, 1983, pp. 248–263.