%0 Journal Article %A J.M. Wills %T The combinatorially regular polyhedra of index 2. %J Aequationes mathematicae %D 1987 %P 206-220 %V 34 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1987__34_137240/ %F AM2_1987__34_137240