TY - JOUR AU - Williams, Paul C2 - Electronics Letters DA - 1999-09-02 LA - en M1 - 35 PB - Electronics Letters PY - 1999 TI - Modulation phase-shift measurement of PMD using only four launched polarisation states: a new algorithm UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=28538 ER -