1. typów umysłu i zastosowanie teorii Diagnosing of mind types : The development and application of theory;Nosal,1992
2. różnic indywidualnych w uczeniu się of individual differences in learning;Clauss;Psychologia Psychology,1987
3. The measurement of category width as cognitive variable of;Pettigrew;Journal Personality,1958
4. Of beasties and butterflies : evidence for stability and domain specifity of individual differences in categorization of;Barber;Journal Personality,1986
5. Cognitive system principles of leveling and sharpening of;Holzman;Journal Psychology,1954