TY  - RPRT
TI  - Procedure for calibration of ferrite gaps in magnetic tape heads traceable to NBS AR-chromium optical linewidth SRMs 
AU  - Nyyssonen, D
PY  - 1986
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 86-3306
DO  - 10.6028/NBS.IR.86-3306
ER  -