TY  - RPRT
TI  - Letter Circular 147: sources of information and data on the properties of metals and alloys
PY  - 1920
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 147r1920
DO  - 10.6028/NBS.LCIRC.147r1920
ER  -