Menzel, W.
Integrated Millimeter-Wave Circuits.
Vortrag vor dem italienischen IEEE MTT-Chapter, Perugia, Italien, 1991

Menzel, W.; Grabherr, W.
A Microstrip Patch Antenna with Coplanar Feed Line.
IEEE Microwave and Guided Wave Letters, Vol. 1, 11/1991, 340-342 PDF