Development of a High-Power L-Band Resonance Isolator Sirvetz, M. H. ; Wheeler, G. J. ; Schulz-Dubois, E. O. Abstract Publication: IEEE Transactions on Microwave Theory Techniques Pub Date: October 1958 DOI: 10.1109/TMTT.1958.1125219 Bibcode: 1958ITMTT...6..423S