Citation: Firas Awwadi; Roger D. Willett; Brendan Twamley; Ryan Schneider; Christopher P. Landee (2008). Strong Rail Spin1/2 Antiferromagnetic Ladder Systems: (Dimethylammonium)(3,5-Dimethylpyridinium)CuX4, X = Cl, Br. Inorganic Chemistry, 47, pp. 9327-9332.