TY - JOUR AU - Matthias S. Keil AU - Gabriel Cristobal AU - Heiko Neumann PY - 2006// TI - Gradient representation and perception in the early visual system – A novel account of Mach band formation N1 - exported from refbase (http://refbase.cvc.uab.es/show.php?record=649), last updated on Tue, 28 Jun 2016 09:55:33 +0200 ID - Matthias S. Keil2006 ER -