Gray, J. A.Pavlov's typology. New York: Macmillan, 1964.
2.
Jensen, A. R.Varieties of individual differences in learning. In R. M. Gagné (Ed.) Learning and individual differences. Columbus, Ohio: Merrill, 1967.
3.
Pavlov, 1. P.Conditioned reflexes. New York: Oxford University Press, 1927.
4.
Rozhdestvenskaya, V. I.An attempt to determine the strength of the process of excitation through features of its irradiation and concentration in the visual analyzer. Voprosy Psikhologii , 1955, 3, 90-98.
5.
Rozhdestvenskaya, V. I.Strength of nerve-cells as shown in the nature of the effect of an additional stimulus on visual sensitivity . In B. M. Teplov (Ed.) Typological features of higher nervous activity in man, Vol. 2. Moscow: Akad. Pedagog. Nauk RSFSR, 1959.
6.
Rozhdestvenskaya, V. I., Nebylitsyn, V. D., Borisova, M. N., and Yermolayeva-Tomina, L. B.A comparative study of various indices of strength of the nervous system in man. Voprosy Psikhologii, 1960, 5,41-56 .
7.
Teplov, B. M.Problems in the study of general types of higher nervous activity in man and animals. In J. A. Gray (Ed.) Pavlov's typology. New York: Macmillan, 1964.