Study on composite photonic crystal patch antennaN. D. Lu, Y. Q. Zhou, T. G. Shen, P. L. Ji, J. Sun, B. G. Yuan and F. C. YuEur. Phys. J. D, 54 3 (2009) 707-710DOI: https://doi.org/10.1140/epjd/e2009-00210-x