TY  - BOOK
AU  - Helszajn,J.
TI  - Passive and active microwave circuits
SN  - 0471042927
PY  - 1978///
CY  - New York
PB  - Wiley
KW  - Microwave circuits
KW  - Microwave devices
N1  - 'A Wiley-Interscience publication.'; Includes bibliographical references and index
ER  -