%0 Journal Article %A Harold M. Hastings %T Addendum to "Čech and Steenrod homotopy theory with applications to geometric topology" %J Colloquium Mathematicum %D 1979 %P 161-163 %V 41 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-41-1-161-163/ %R 10.4064/cm-41-1-161-163 %G en %F 10_4064_cm_41_1_161_163