Authors: Guimera, R Arenas, A Diaz-Guilera, A

Citation: R. Guimera et al., Communication and optimal hierarchical networks, PHYSICA A, 299(1-2), 2001, pp. 247-252

Authors: Arenas, A Diaz-Guilera, A Guimera, R

Citation: A. Arenas et al., Communication in networks with hierarchical branching, PHYS REV L, 86(14), 2001, pp. 3196-3199