Complexes of Melamines and Barbiturates", Zerkowski, J. A., Mathias, J. P. and Whitesides, G. M., J. Am. Chem. Soc., 1994, .116, 4305-4315. 395. "Steric Control of Secondary, Solid-State Architecture in 1:1 Complexes of Melamines and Barbiturates That Crystallize as Crinkled Tapes", Zerkowski, J. A. and Whitesides, G. M.