@conference{44896,
  author = {Steven Jefferts and Thomas Heavner and Thomas Parker and Jon Shirley and Elizabeth Donley and Filippo Levi and Davide Calonico and C Calosso and Giovanni Costanzo and B. Mongino},
  title = {Comparing Room Temperature and Cryogenic Cesium Fountains},
  year = {2011},
  month = {2011-07-31},
  publisher = {Proceedings of the 2011 Joint IEEE International Frequency Control Symposium and European Frequency and Time Forum, San Francisco, CA},
  language = {en},
}