TY  - BOOK
AU  - CHANG, KAI
TI  - Microwave Ring Circuits and Antennas
U1  - 621.38132 
PY  - 1996///
CY  - New York
PB  - John Wiley & Sons
KW  -  ELECTRONICS AND COMMUNICATION ENGINEERING
KW  - MICROWAVE ANTENNAS
ER  -