TY  - BOOK
AU  - Sporleder,F.
AU  - Unger,Hans-Georg
TI  - Waveguide tapers, transitions, and couplers
SN  - 0906048168
AV  - TK7871.65 .S66
U1  - 621.381/331 
PY  - 1979///
CY  - London, New York
PB  - P. Peregrinus on behalf of the Institution of Electrical Engineers
KW  - Wave guides
N1  - Includes bibliographical references and index
ER  -