%0 Journal Article %A Byron H. McCandless %T Perfect normality, local neighborhood extension spaces, and contractibility of absolute retracts. %J Mathematische Zeitschrift %D 1964 %P 385-391 %V 85 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1964__85_170313/ %F MZ_1964__85_170313