TY - JOUR AU - Hollberg, Leo AU - Diddams, Scott AU - Bartels, A AU - Fortier, Tara AU - Kim, Kyoungsik C2 - Metrologia DA - 2005-06-07 LA - en M1 - 42 PB - Metrologia PY - 2005 TI - The Measurement of Optical Frequencies UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50103 ER -