TY - JOUR AU - Ma, L-S AU - Bartels, A AU - Robertsson, Lennart AU - Zucco, Massimo AU - Windeler, R AU - Wilpers, G AU - Oates, Christopher AU - Hollberg, Leo AU - Diddams, Scott 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 -