@conference{824656,
  author = {J Vanier and J Gagnepain and W. Riley and F Walls and M Granveaud},
  title = {Aging, Warm-Up Time and Retrace; Important Characteristics of Standard Frequency Generators},
  year = {1992},
  month = {1992-01-01 00:01:00},
  publisher = {1992 IEEE Frequency Control Symposium  , Hershey, PA, USA},
  language = {en},
}