TY  - RPRT
TI  - Circular of the Bureau of Standards no. 572: calibration of line standards of length and measuring tapes at the National Bureau of Standards
AU  - Judson, Lewis V
PY  - 1956
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 572
DO  - 10.6028/NBS.CIRC.572
ER  -