TY  - RPRT
TI  - Error equations used in the NBS earth terminal measurement system 
AU  - Daywitt, William C
PY  - 1977
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 78-869
DO  - 10.6028/NBS.IR.78-869
ER  -