TY  - RPRT
TI  - The National Measurement System for Length and Related Dimensional Measurements, part 1 
AU  - Lazar, J W
AU  - Bach, R L
PY  - 1976
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 75-926
DO  - 10.6028/NBS.IR.75-926
ER  -