TY  - RPRT
TI  - Letter Circular 701: solders and soldering (supersedes Letter Circular 493 and 343)
PY  - 1942
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 701
DO  - 10.6028/NBS.LCIRC.701
ER  -