TY  - RPRT
TI  - Strength of soft-soldered joints in copper tubing 
AU  - Maupin, Arthur R
AU  - Swanger, William H
PY  - 1940
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS BMS 58
DO  - 10.6028/NBS.BMS.58
ER  -