TY - JOUR A1 - Butler, Robert A. T1 - Curisosity in Monkeys JF - Scientific American (Febr. 1954), pp. 87-91. Y1 - 1954 N1 - Xeroxcopy ER - TY - JOUR A1 - Butler, Robert A. A1 - Woolpy, J. H. T1 - Visual Attention in the Rhesus Monkey JF - Th. E. McGill (Ed.), Readings in Animal Behavior, New York etc. (Holt, Rinehart and Winston) 1965, pp. 465-470. Y1 - 1965 ER -