TY - CONF AU - C Asmail AU - J Fuller AU - R Parks C2 - Quality and Reliability for Optical Systems , San Diego, CA DA - 1993-07-13 LA - en PB - Quality and Reliability for Optical Systems , San Diego, CA PY - 1993 TI - Status of Bidirectional Reflectance Distribution Function (BRDF) Calibration Standards Development ER -