@conference{123101,
  author = {Robert Drullinger and T Udem and Scott Diddams and K Vogel and Christopher Oates and E Curtis and W Lee and Wayne Itano and Leo Hollberg and James Bergquist},
  title = {All-Optical Atomic Clocks},
  year = {2001},
  month = {2001-01-01},
  publisher = {2001 IEEE Intl. Frequency Control , Seattle, WA},
  language = {en},
}