TY  - BOOK
AU  - Young,Leo
TI  - Parallel coupled lines and directional couplers / 
AV  - TK7876 .Y68
U1  - 621.381/32/6 
PY  - 1972///
CY  - Dedham, Mass.
PB  - Artech House, 
KW  - Microwave transmission lines
KW  - Directional couplers
KW  - Wave guides
N1  - Includes bibliographical references
ER  -