@conference{826151, author = {M Poitzsch and James Bergquist and Wayne Itano and David Wineland}, title = {Progress Toward a Cryogenic 199Hg+ Ion Frequency Standard}, year = {1994}, month = {1994-06-27 00:06:00}, publisher = {1994 Conference on Precision Electromagnetic Measurements , Boulder, CO, USA}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105544}, language = {en}, }