TY - CONF AU - Kent Rochford AU - S. Kreger AU - John West C2 - Proc., SPIE, Recent Advances in Metrology, Characterization, and Standards for Optical Digital Data Disks, Denver, CO DA - 1999-10-01 00:10:00 LA - en M1 - 3806 PB - Proc., SPIE, Recent Advances in Metrology, Characterization, and Standards for Optical Digital Data Disks, Denver, CO PY - 1999 TI - Variation in Optical Disc Retardance Measurements ER -