%0 Journal Article %A Wetzel, John E. %T Sectorial Covers for Curves of Constant Length %J Canadian mathematical bulletin %D 1973 %P 367-375 %V 16 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-058-8/ %R 10.4153/CMB-1973-058-8 %F 10_4153_CMB_1973_058_8