@article{4740, author = {C. Monroe and H. Robinson and Carl Wieman}, title = {Observation of the cesium clock transition using laser-cooled atoms in a vapor cell}, year = {1991}, journal = {Optics Letters}, volume = {16}, pages = {50}, month = {Jan-01-1991}, issn = {0146-9592}, doi = {10.1364/OL.16.000050}, }