TY - CONF AU - Thomas Parker C2 - Proc. EFTF Conf., Toulouse, FR DA - 2008-04-23 LA - en PB - Proc. EFTF Conf., Toulouse, FR PY - 2008 TI - A Comparison of Cs Fountain Primary Frequency Standards UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=842462 ER -