TY - JOUR AU - Michael Mullan AU - Emanuel Knill C2 - Quantum Information and Computation Journal DA - 2012-07-26 LA - en M1 - 12 PB - Quantum Information and Computation Journal PY - 2012 TI - Improving Quantum Clocks via Semidefinite Programming UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=909047 ER -