TY  - RPRT
TI  - Circular of the Bureau of Standards no. 14 5th edition: analyzed irons and steels- methods of analysis
PY  - 1916
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 14e5
DO  - 10.6028/NBS.CIRC.14e5
ER  -