%0 Journal Article %T Flexibility of Shape-Persistent Molecular Building Blocks Composed ofp-Phenylene and Ethynylene Units %A Gunnar Jeschke %A Muhammad Sajid %A Miriam Schulte %A Ramezanian, Navid %A Aleksei Volkov %A Herbert Zimmermann %A Adelheid Godt %J Journal of the American Chemical Society %@ 0002-7863 %D 2010