TY  - RPRT
TI  - Letter Circular 1035: units and systems of weights and measures their origin, development, and present status (temporary replacement of Letter Circular 570)
PY  - 1960
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 1035
DO  - 10.6028/NBS.LCIRC.1035
ER  -