Hartnett, J.Nand, N.Lu, C.2014-11-202014-11-202012Applied Physics Letters, 2012; 100(18):183501-1-183501-40003-69511077-3118http://hdl.handle.net/2440/87405Abstract not availableen© 2012 American Institute of PhysicsUltra-low-phase-noise cryocooled microwave dielectric-sapphire-resonator oscillatorsJournal article002013102210.1063/1.47094790003035986000622-s2.0-8486253794318479