A 1THz Receiver System at APEX Leinz, C. ; Caris, M. ; Klein, T. ; de Lange, G. ; Zijlstra, T. ; Klapwijk, T. M. ; Wunsch, H. J. ; Güsten, R. Abstract Publication: Twenty-First International Symposium on Space Terahertz Technology Pub Date: March 2010 Bibcode: 2010stt..conf..130L