TY  - RPRT
TI  - Report of the 52nd National Conference on Weights and Measures, 1967 
AU  - Koeser, R L
PY  - 1968
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 297
DO  - 10.6028/NBS.SP.297
ER  -