TY - JOUR AU - Hoyt, C AU - Barber, Zeb AU - Oates, Christopher AU - Diddams, Scott AU - Fortier, Tara AU - Hollberg, Leo C2 - Physical Review Letters DA - 2005-08-19 LA - en M1 - 95 PB - Physical Review Letters PY - 2005 TI - Observation and Absolute Frequency Measurements of the 1S0 - 3P0 Optical Clock Transition in Neutral Ytterbium UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50105 ER -