Shang, Ran A 36-fold multiple unit cell and switchable anisotropic dielectric responses in an ammonium magnesium formate framework. [electronic resource] - Angewandte Chemie (International ed. in English) Feb 2015 - 2534-7 p. digital Publication Type: Journal Article ISSN: 1521-3773 Standard No.: 10.1002/anie.201411005 doi