TY  - RPRT
TI  - NIST Time and Frequency Bulletin 
AU  - Potts, Petrina C.
PY  - 2013
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 1149-01
DO  - 10.6028/NIST.IR.1149-01
ER  -