The Impact of Standing Waves in the LO path of a Heterodyne Receiver Siebertz, O. ; Honingh, C. ; Tils, T. ; Gal, C. ; Olbrich, M. ; Bieber, R. ; Schmuelling, F. ; Schieder, R. Abstract Publication: Eighteenth International Symposium on Space Terahertz Technology Pub Date: 2007 Bibcode: 2007stt..conf..117S