@article{6113, author = {T. Parker and Judah Levine}, title = {Impact of new high stability frequency standards on the performance of the NIST AT1 time scale}, year = {1997}, journal = {IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control}, volume = {44}, pages = {1239-1244}, month = {Jan-11-1997}, issn = {0885-3010}, doi = {10.1109/58.656627}, }