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- [7] CRYOGENICALLY COOLED Y-JUNCTION CIRCULATORS FOR PARAMETRIC AMPLIFIER APPLICATIONS PROCEEDINGS OF THE INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, 1965, 53 (02): : 198 - &
- [9] Noise performance of a cryogenically cooled 94 GHz InP MMIC amplifier and radiometer MILLIMETER AND SUBMILLIMETER WAVES III, 1996, 2842 : 46 - 54