TY - CONF AU - Day, Gordon C2 - Proc. Intl. Soc. for Optical Engineering (SPIE) DA - 1983-01-01 LA - en M1 - 425 PB - Proc. Intl. Soc. for Optical Engineering (SPIE) PY - 1983 TI - Birefringence Measurements in Single Mode Optical Fiber ER -