TY  - RPRT
TI  - Table of attenuation as a function of vane angle for rotary-vane attenuators (A= -40 log₁₀ c theta]). 
AU  - Larson, Wilbur
PY  - 1964
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 229
DO  - 10.6028/NBS.TN.229
ER  -