%0 Journal Article
%A Branko Grünbaum
%A G.C. Sehphard
%T Isohedral tilings of the plane by polygons.
%J Commentarii mathematici Helvetici
%D 1978
%P 542-571
%V 53
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1978__53_139755/
%F CMH_1978__53_139755