TY - CONF AU - Donley, Elizabeth AU - Tataw, M AU - Levi, F AU - Jefferts, Steven AU - Heavner, Thomas C2 - Proc. IEEE Intl. Ultrasonics, Ferroelectrics, and Frequency Control Anniversary Joint Conf., Montreal, 1, CA DA - 2005-08-23 00:08:00 LA - en PB - Proc. IEEE Intl. Ultrasonics, Ferroelectrics, and Frequency Control Anniversary Joint Conf., Montreal, 1, CA PY - 2005 TI - Progress Toward the Second-Generation Atomic Fountain Clock at NIST UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50083 ER -