@article{123951,
  author = {Robert Drullinger and D Glaze and John Lowe and Jon Shirley},
  title = {The NIST Optically Pumped Cesium Frequency Standard},
  year = {1991},
  number = {40},
  month = {1991-01-01},
  publisher = {IEEE Transactions on Instrumentation and Measurement},
  language = {en},
}