Gestalt Laws (Subscribe)
Links
On Perceptual Grouping
http://www-rci.rutgers.edu/~cfs/305_html/Gestalt/wertheimer2.html
Adapted from Max Wertheimer, Untersuchungen zur Lehre von der Gestalt, II. Psychologische Forschung, 1923, 4,301-305. By Charles F. Schmidt
A.S. Luchins & E.H. Luchins: Comments on the Concept of Closure
http://www.gestalttheory.net/archive/closure.html
Gestalt Archive: Comments on the Concept of Closure by Abraham S. Luchins and Edith H. Luchins