TY - JOUR AU - Matthias S. Keil PY - 2006// TI - Smooth Gradient Representations as a Unifying Account of Chevreul’s Illusion, Mach Bands, and a Variant of the Ehrenstein Disk N1 - exported from refbase (http://refbase.cvc.uab.es/show.php?record=633), last updated on Thu, 06 Jul 2023 11:30:39 +0200 ID - Matthias S. Keil2006 ER -