TY  - BOOK
AU  - Helszajn, J.
TI  - NONRECIPROCAL MICROWAVE JUNCTIONS AND CIRCULATORS
U1  - 621.381331 
PY  - 1975///
CY  - New York
PB  - John Wiley
KW  - Circulators, Wave Guide
KW  - Junctions, Wave Guide
N1  - Bibliographical References; A Wiley-Interscience Publication
ER  -