Sonic stop-bands for cubic arrays of rigid inclusions in air M. S. Kushwaha, B. Djafari-Rouhani, L. Dobrzynski and J. O. Vasseur Eur. Phys. J. B, 3 2 (1998) 155-161 Published online: 15 May 1998 DOI: 10.1007/s100510050296