TY - RPRT TI - Letter Circular 848: metallurgy: publications by members of the staff of the National Bureau of Standards (1936-1946) (supersedes Letter Circular 740) PY - 1946 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - LCIRC 848 DO - 10.6028/NBS.LCIRC.848 ER -