TY  - BOOK
AU  - Smullin,Louis D.
AU  - Montgomery,C.G.
TI  - Microwave duplexers
U1  -  621.34 
PY  - 1948///
CY  - New York
PB  - McGraw-Hill Book
KW  - Electromagnetism
KW  - Magnetic devices
KW  - Magnetic engineering
KW  - Microwave
N1  - Includes index
ER  -