TY - CONF AU - Ulf Griesmann AU - Nadia Machkour-Deshayes AU - Byoung Kim AU - Quandou Wang AU - Lahsen Assoufid C2 - SPIE - Optics and Photonics, San Diego, CA DA - 2005-07-31 LA - en M1 - 5878 PB - SPIE - Optics and Photonics, San Diego, CA PY - 2005 TI - Uncertainties in Aspheric Profile Measurements with the Geometry Measuring Machine at NIST ER -