1. Postnatal development of the hippocampal dentate Gyrus under normal and experimental conditions;Altman,1975
2. The hippocampus and behavioral maturation;Altman;Behav. Biol.,1973
3. The role of frustrative nonreward in noncontinuous reward situations;Amsel;Psychol. Bull.,1958
4. Frustrative nonreward in partial reinforcement and discrimination learning: Some recent history and a theoretical extension;Amsel;Psychol. Rev.,1962
5. Partial reinforcement effects on vigor and persistence: Advances in frustration theory derived from a variety of within-subjects experiments;Amsel,1967