H. Li, C. de Boer, H. Hermes, A. Buchau, N. Klaas, und W. Rucker. Systems, Signals and Devices (SSD), 2012 - 9th International Multi-Conference on Systems, Signals and Devices, Seite 1-7. Chemnitz, Germany, (März 2012)
W. Rieger, A. Buchau, M. Hass, C. Huber, G. Lelmer, und W. Rucker. IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010), 3, Seite 2140-2143 vol.3. (Juli 1999)