Skip to main page content
Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

My NCBI Filters
Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2009 1
2012 1
2015 1
2017 1
2019 1
2020 1
2021 5
Text availability
Article attribute
Article type
Publication date

Search Results

10 results
Results by year
Filters applied: . Clear all
Page 1
Optical-Clock-Based Time Scale.
Yao J, Sherman JA, Fortier T, Leopardi H, Parker T, McGrew W, Zhang X, Nicolodi D, Fasano R, Schäffer S, Beloy K, Savory J, Romisch S, Oates C, Diddams S, Ludlow A, Levine J. Yao J, et al. Among authors: schaffer s. Phys Rev Appl. 2019;12(4):https://doi.org/10.1103/physrevapplied.12.044069. Phys Rev Appl. 2019. PMID: 33102625 Free PMC article.