1. 1) Chen, Y.-Y. and Ye, Z. : Theoretical analysis of acoustic stop bands in two-dimensional periodic scattering arrays, Phys. Rev. E, Nol.64, 036616, 2001.
2. 2) Sánchez-Pérez, J.V., Caballero, D., Mártinez-Sala, R., Rubio, C., Sánchez-Dehesa, J., Meseguer, F., Llinares, J. and Gálvez, F. : Sound attenuation by a two-dimensional array of rigid cylinders, Phys. Rev. Lett., Vol.80, pp.5325-5328, 1988.
3. 3) Umnova, O., Attenborough, K. and Linton, C.M. : Effects of porous covering on sound attenuation by periodic arrays of cylinders, J. Acoust. Soc. Am., Vol.119, pp.278-284, 2006.
4. 4) Romero-García, V. Sánchez-Pérez, J.V. and Garcia-Raffi, L.M. : Analytical model to predict the effect of a finite impedance surface on the propagation properties of 2D sonic crystals, J. Phys. D, Vol.44, 265501, 2011.
5. 5) Cai, L.-W. and Williams Jr., J.H. : NDE via stop band formulation in fiber reinforced composites having square fiber arrangements, Ultrasonics, Vol.37, pp.483-492, 1999.