Alibakhshikenari, Mohammad, Virdee, Bal. S., Aïssa, Sonia, See, Chan H., Althuwayb, Ayman Abdulhadi, Abd-Alhameed, Raed, Huynen, Isabelle, Falcone, Francisco, Limiti, Ernesto, "Singular Integral Formulations for Electrodynamic Analysis of Metamaterial-Inspired Antenna Array", IEEE Antennas and Wireless Propagation Letters, 2021