@article{HeuermannPetersSchmitzetal.2006,
  author    = {Holger Heuermann and N. Peters and T. Schmitz and Arash Sadeghfam},
  title     = {Concept of Balanced Antennas with Load-Invariant Base Impedance Using a Two Element LC-Coupler. Peters, N., Schmitz, Th., Sadeghfam, A., Heuermann, H.},
  journal   = {Proceedings of the European microwave association : journal of the European microwave association},
  pages     = {117 -- 122},
  year      = {2006},
}