TY  - RPRT
TI  - Circular of the Bureau of Standards no. 415: magnetic testing
AU  - Sanford, Raymond L
PY  - 1937
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 415
DO  - 10.6028/NBS.CIRC.415
ER  -