TY  - RPRT
TI  - Letter Circular 786: list of commercial standards (supersedes Letter Circular 776)
PY  - 1945
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 786r1945
DO  - 10.6028/NBS.LCIRC.786r1945
ER  -