@article{764301, author = {R Rafac and B. Young and James Beall and Wayne Itano and David Wineland and J. Bergquist}, title = {Sub-dekahertz Ultraviolet Spectroscopy of 199Hg+}, year = {2000}, number = {15}, month = {2000-09-18 00:09:00}, publisher = {Physical Review Letters}, language = {en}, }