Boselie, F.,& Wouterlood, D.(1992). A critical discussion of Kellman and Shipley’s (1991) theory of occlusion phenomena. Psychological Research, 54, 278-285.
de Wit, T. C. J.,& van Lier, R.(2002). Global visual completion of quasi-regular shapes. Perception, 31, 969-984.
Dinnerstein, D.,& Wertheimer, M.(1957). Some determinants of phenomenal overlapping American Journal of Psychology, 70, 21-37.
Garner, W. R.,& Clement, D. E.(1963). Goodness of pattern and pattern uncertainty. Journal of Verbal Learning and Verbal Behavior, 2, 446-452.
Hamada, J.,& Ishihara, T.(1988). Complexity of goodness of dot patterns varying in symmetry. Psychological Research, 50, 155-161.