@article{Berlyne, author = {Berlyne, D. E.}, title = {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.}, language = {en} } @article{Berlyne, author = {Berlyne, D. E.}, title = {Arousal and Reinforcement}, series = {Nebraska Symposium on Motivation, 1967, pp. 1-29, 82-95.}, journal = {Nebraska Symposium on Motivation, 1967, pp. 1-29, 82-95.}, language = {en} }