1. M. A. Amerine, R. M. Pangborn, and E. B. Roessler, 1965 . "Principles of Sensory Evaluation of Food ," 602 pp.Academic Press, New York.
2. S. H. Bartley, 1958 . "Principles of Perception ," 482 pp.Harper Company, New York.
3. Effect of Other Flavor Components on the Perception of Diacetyl in Fermented Dairy Products