I. D .H. Schaubert, D .M. Pozar. and A. Adrian, "Effect of microstrip antenna substrate thickness and permittivity: comparison of theories and experiment," IEEE Trans. Antennas and Propagation. vol. AP-37, pp.677-682, June 1989
I. D .H. Schaubert, D .M. Pozar. and A. Adrian, "Effect of microstrip antenna substrate thickness and permittivity: comparison of theories and experiment," IEEE Trans. Antennas and Propagation. vol. AP-37, pp.677-682, June 1989