Areias, T., R. Carvalho, M. W. da Silva, L. Matos, J. J. Neto, A. L. Campos, and A. Neto. “Frequency Selective Surface Microwave Absorber for WLAN Applications”. Journal of Communication and Information Systems, Vol. 35, no. 1, July 2020, pp. 208-16, doi:10.14209/jcis.2020.23.