Gyrotropic reciprocal bianisotropic metamaterial printed dipole antenna: Investigation of negative input impedance and mutual coupling oleh C. Zebiri, M.L. Bouknia, D. Sayad, I. Elfergani, Moustafa H. Aly, Preecha Yupapin, Sarawoot Boonkirdram, Arpan Desai, J. Rodriguez