TY  - RPRT
TI  - Letter Circular 836: list of commercial standards (supersedes Letter Circular 833)
PY  - 1946
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 836r1946
DO  - 10.6028/NBS.LCIRC.836r1946
ER  -