TY  - RPRT
TI  - Calibration of line standards of length and measuring tapes at the National Bureau of Standards 
AU  - Judson, Lewis V
PY  - 1960
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS MONO 15
DO  - 10.6028/NBS.MONO.15
ER  -