[1] Radisic Vesna, Qian Yongxi, Coccioli Roberto, et al.Novel 2-D photonic bandgap structure for microstrip lines. IEEE Microwave Guided Wave Lett., 1998,8(2):67-71
[2] Horii Yasushi, Tsutsumi Makoto. Harmonic control by photonic bandgap on microstrip patch antenna. IEEE Microwave Guided Wave Lett., 1999,9(1):13-15
[3] Lopetegi Txema, Falcone Francisco, Martinez Beatriz, et al. Improved 2-D photonic bandgap structure in microstrip technology. Microwave Opt. Technol.Lett., 1999,22(3):207-211