TY - JOUR AU - L-S Ma AU - A Bartels AU - Lennart Robertsson AU - Massimo Zucco AU - R Windeler AU - G Wilpers AU - Christopher Oates AU - Leo Hollberg AU - Scott Diddams C2 - Sciences-New York DA - 2004-03-19 00:03:00 LA - en M1 - 303 PB - Sciences-New York PY - 2004 TI - Optical frequency synthesis and comparison at the 10-19 level UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105011 ER -