TY - JOUR A1 - Berlyne, D. E. T1 - The Justifiability of the Concept of Curiosity. Constribution to the Symposium on >Human Curiosity and exploration< at the XIX International Congress of Psychology, London, July 30, 1969. Y1 - 1969 N1 - Scan of Fromm's xeroxcopy ER - TY - JOUR A1 - Berlyne, D. E. T1 - Arousal and Reinforcement JF - Nebraska Symposium on Motivation, 1967, pp. 1-29, 82-95. Y1 - 1967 N1 - Scan of Fromm's xeroxcopy ER -