%0 Journal Article %A McKee, T. A. %T Logical Aspects of Combinatorial Duality %J Canadian mathematical bulletin %D 1984 %P 251-256 %V 27 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-037-8/ %R 10.4153/CMB-1984-037-8 %F 10_4153_CMB_1984_037_8