1. Spatial ability: An information processing approach to psychometrics;Carpenter,1986
2. La verbalisation comme source d'observables pour l'étude du fonctionnement cognitif;Caverni,1988
3. Individual differences in visual comparison processes;Cooper;Perception and Psychophysics,1976
4. Spatial information processing: Strategies for research;Cooper,1980
5. Strategies for visual comparison and representation: Individual differences;Cooper,1982