TY  - RPRT
TI  - Higher order modes in rectangular coaxial line with infinitely thin inner conductor 
AU  - Tippet, John C
AU  - Chang, David C
PY  - 1978
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 78-873
DO  - 10.6028/NBS.IR.78-873
ER  -