TY  - RPRT
TI  - Standard Reference Materials : National Bureau of Standards - U. S. Steel Corporation joint program for determining oxygen and nitrogen in steel/
AU  - Martin, J F
PY  - 1971
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS SP 260-26
DO  - 10.6028/NBS.SP.260-26
ER  -