TY - JOUR AU - Bize, S AU - Diddams, Scott AU - Tanaka, U AU - Tanner, C AU - Oskay, W AU - Drullinger, Robert AU - Parker, Tom AU - Heavner, Thomas AU - Jefferts, Steven AU - Hollberg, Leo AU - Itano, Wayne AU - Bergquist, James C2 - Physical Review Letters DA - 2003-01-01 00:01:00 LA - en M1 - 90 PB - Physical Review Letters PY - 2003 TI - Testing the Stability of Fundamental Constants with the 199 Hg+ Single-Ion Optical Clock UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=104856 ER -