%0 Journal Article %A J.D. Lawson %A W. Williams %T Topological semi-lattices and their underlying spaces. %J Semigroup forum %D 1970 %P 209-223 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1970__1_133792/ %F SF_1970__1_133792