Xu, Q.Farserotu, J.Zürcher, J.-F.Skrivervik, A. K.2007-06-142007-06-142007-06-14200710.1109/PIMRC.2007.4394121https://infoscience.epfl.ch/handle/20.500.14299/7933Broadband high gain small array antenna for high altitude platforms applicationstext::conference output::conference proceedings::conference paper