Psychophysical determination of the spatial connectivity function in a model of contour salience. - John S. Nafziger; Shih-Cheng Yen; Leif H. Finkel (Neurocomputing, 1999)

A stimulus density-dependent normalization mechanism for modulating the range of contour integration. - John S. Nafziger; Leif H. Finkel (Neurocomputing, 2000)