Citation: Satoru Shimomura; Satoshi Horike; Ryotaro Matsuda; Susumu Kitagawa (2007). Guest-Specific Function of a Flexible Undulating Channel in a 7,7,8,8-Tetracyano-p-quinodimethane Dimer-Based Porous Coordination Polymer. Journal of the American Chemical Society, 129, pp. 10990-10991.