TY  - BOOK
AU  - Matthaei, Wisley  G., 
TI  - Microwave Filters, Impedance-Matching Networks, And Coupling Structures 
SN  - 0890060991
U1  - 621.3813 
PY  - 1980///.
CY  - Massachusetts
PB  - ARTECH HOUSE Inc, 
ER  -