%0 Journal Article %J Angew. Chem. Int. Ed. Engl. %D 1979 %T A Basis for Orbital Symmetry Rules %A Metieu, H. %A Ross, J. %A Whitesides, G. M. %B Angew. Chem. Int. Ed. Engl. %V 18 %P 377-392 %G eng %L 106 %F 107