@misc{1200436, author = {Karen L. Hansen Lichtfuss}, title = {NIST Time and Frequency Bulletin: September 2016:}, year = {2016}, month = {2016-09-01 04:09:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.8104-09}, language = {en}, }