TY  - RPRT
TI  - NIST time and frequency bulletin 
AU  - Lichtfuss, Karen Hansen
PY  - 2016
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 8104-04
DO  - 10.6028/NIST.IR.8104-04
ER  -