@article{206941, author = {Till Rosenband and P. Schmidt and David Hume and Wayne Itano and Tara Fortier and Jason Stalnaker and Scott Diddams and Jeroen Koelemeij and James Bergquist and David Wineland}, title = {Observation of the 1S0-3P0 clock transition in 27Al+}, year = {2007}, number = {98}, month = {2007-06-01}, publisher = {Physical Review Letters}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50513}, language = {en}, }