1. Baddeley, A. (1986). Working memory. Oxford: Clarendon Press.
2. Baddeley, A. (1988). Imagery and working memory. In M. Denis, J. Engelkamp, J. T. E. Richardson (Eds.), Cognitive and neuropsychological approaches to mental imagery (pp. 169–180 ). Dordrecht, The Netherlands: Martinus Nijhoff.
3. Barolo, E., Masini, R., Antonietti, A. ( 1988, September). Rotation of mental images and productive thinking. Paper presented at the Second Workshop on Imagery and Cognition, Padova, Italy.
4. Byrne, R. M. J., Johnson-Laird, P. N. (1989). Spatial reasoning. Journal of Memory and Language, 28, 564–575.
5. Byrne, R. W. (1979). Memory for urban geography. Quarterly Journal of Experimental Psychology, 31, 147–154.