TY - CONF AU - Kent Rochford AU - S. Kreger AU - John West C2 - Proc. Intl. Soc. for Optical Engineering (SPIE), Joint International Symposium on Optical Memory and Optical Data Storage 1999, Koloa, HI DA - 1999-07-01 00:07:00 LA - en M1 - 3864 PB - Proc. Intl. Soc. for Optical Engineering (SPIE), Joint International Symposium on Optical Memory and Optical Data Storage 1999, Koloa, HI PY - 1999 TI - Variation in Optical Disc Birefringence Measurements ER -