TY - RPRT TI - Characterization of Picometer repeatability displacement metrology gauges AU - Halverson, P. G. AU - Azevedo, L. S. AU - Diaz, R. T. AU - Spero, R. E. PY - 2001 UR - https://ntrs.nasa.gov/citations/20060031723 ID - 20060031723 ER -