Citation: Wg. Mcgimpsey et al., SINGLET-SINGLET, TRIPLET-TRIPLET, AND OPTICALLY-CONTROLLED ENERGY-TRANSFER IN POLYCHROMOPHORES - PRELIMINARY MODELS FOR A MOLECULAR SCALE SHIFT REGISTER, The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory, 102(45), 1998, pp. 8679-8689