%0 Journal Article %A Bart Ons %A Paul Verstraelen %T A geometrical description of visual sensation %J Kragujevac Journal of Mathematics %D 2010 %P 5 - 15 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2010_33_1_a0/ %F KJM_2010_33_1_a0