TY  - RPRT
TI  - Standard Reference Materials : Preparation and certification of SRM's for calibration of spreading resistance probes/
AU  - Ehrstein, James R
PY  - 1985
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS SP 260-93
DO  - 10.6028/NBS.SP.260-93
ER  -