%0 Journal Article
%A J. J. Fowler
%A E. Gethner 
%T Counting Escher's m x m Ribbon Patterns
%J Journal for geometry and graphics
%D 2006
%P 1-13
%V 10
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2006_10_1_JGG_2006_10_1_a0/
%F JGG_2006_10_1_JGG_2006_10_1_a0