TY - CONF AU - J. Lopez-Romero AU - Michael Lombardi C2 - 21st Century Innovations in Metrology, Providence, RI, US DA - 2010-07-26 00:07:00 LA - en PB - 21st Century Innovations in Metrology, Providence, RI, US PY - 2010 TI - Challenges in SIM to Create a Coordination Program for Time and Frequency UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=905720 ER -