title: Studies in discrimination learning by monkeys; discriminations between stimuli differing in both color and form, and only in color, and only in form.
authors.forename: H F
authors.initials: HF
authors.lastname: HARLOW
mesh_terms: D000818:Animals; D003116:Color; D004193:Discrimination Learning; D000882:Haplorhini; D011587:Psychology, Comparative