A Dual Frequency 40-GHZ to 100-GHZ SIS Receiver for the Nobeyama Millimeter-Wave Array Kawabe, R. ; Inatani, J. ; Kasuga, T. ; Ishiguro, M. ; Yamamoto, M. ; Yamaji, K. ; Watasawa, K. Abstract Publication: Nobeyama Radio Observatory Report Pub Date: 1991 Bibcode: 1991nro..rept....1K