Citation: Clews, Peter K.; Douthwaite, Richard E.; Kariuki, Benson M.; Moore, Terry; Taboada, Miguel (2006). Layered Compounds Incorporating 9,9‘-Spirobifluorene: Hydrogen-Bonded and Metal−Organic Networks Derived from 9,9‘-Spirobifluorene-2,2‘,7,7‘-tetracarboxylic Acid. Crystal Growth & Design, 6, pp. 1991-.