TY  - RPRT
TI  - Advances in the measurement of rf power and attenuation using SQUIDs 
AU  - Kamper, R A
PY  - 1974
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 661
DO  - 10.6028/NBS.TN.661
ER  -