%0 Journal Article %A J.E. Wetzel %T Triangular Covers for Closed Curves of Constant Length. %J Elemente der Mathematik %D 1970 %P 78-82 %V 25 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELMA_1970__25_140976/ %F ELMA_1970__25_140976