TY - RPRT TI - Laser trackers: traceability, uncertainty, and standardization - report to the CMSC AU - Caskey, G W AU - Fronczek, C J Jr AU - Phillips, S D PY - 1997 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6061 DO - 10.6028/NIST.IR.6061 ER -