TY  - RPRT
TI  - Letter Circular 776: list of commercial standards (supersedes Letter Circular 768)
PY  - 1945
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 776r1945
DO  - 10.6028/NBS.LCIRC.776r1945
ER  -