BeckL. H.KrugerL.CalabresiP.Observations on olfactory intensity. I. Training procedure, methods and data for two aliphatic homologous series. Ann. N. Y. Acad. Sci., 1954, 58, 225–238.
2.
GibsonE. J.Improvement in perceptual judgments as a function of controlled practice or training. Psychol. Bull., 1953, 50, 401–431.
3.
JonesF. N.The reliability of olfactory thresholds obtained by sniffing. Amer. J. Psychol., 1955, 68, 289–290.
4.
JonesF. N.A forced-choice method of limits. Amer. J. Psychol., 1956, 69, 672–673.