TY - JOUR AU - Judah Levine AU - M. Weiss AU - D. Davis AU - D. Allan AU - D. Sullivan BT - Journal of Research of the National Institute of Standards and Technology N1 - JILA Pub. 4149 PY - 1989 EP - 311\textendash321 T2 - Journal of Research of the National Institute of Standards and Technology TI - The NIST automated computer time service UR - http://tf.nist.gov/general/pdf/844.pdf VL - 94 ER -