Müllen, Klaus MPI for Polymer Research, Max Planck Society;
Tyutyulkov, N., Staykov, A., Müllen, K., & Dietz, F. (2003). Symmetry breaking of full face-to-face arrangement of homonuclear π-electron molecules in 1-D stacks. Chemical Physics Letters, 373(3-4), 314-318. doi:10.1016/S0009-2614(03)00591-8.