1. Krushinsky, L.V., Formirovanie povedeniya zhivotnyh v norme i patologii (Formation of Normal and Pathological Behavior in Animals), Moscow, 1960.
2. Krushinsky, L.V., Biologicheskie osnovy rassudochnoi deyatel’nosti (Biological Basis of Reasoning Ability), Moscow, 1986.
3. Olton, D.S. and Samuelson, R.J., Remembrance of Places Passed: Spatial Memory in Rats. J. Exp. Psychol. Anim. Behav. Proc., 1976, vol. 2, pp. 97–116.
4. Wilkie, D.M. and Slobin, P., Gerbils in Space: Performance on the 17-Arm Radial Maze, J. Exp. Anal. Behav., 1983, vol. 40, pp. 301–312.
5. Etienne, A.S., Sitbon, S., Dahn-Hurni, C., and Maurer R., Golden Hamsters on the Eight-Arm Maze in Light and Darkness: the Role of Dead Reckoning. Q. J. Exp. Psychol. B, 1994, vol. 47, pp. 401–425.