@article{4220,
  author = {Marianna Safronova and Sergey Porsev and Christian Sanner and Jun Ye},
  title = {Two Clock Transitions in Neutral Yb for the Highest Sensitivity to Variations of the Fine-Structure Constant},
  year = {2018},
  journal = {Physical Review Letters},
  volume = {120},
  pages = {173001},
  month = {2018-04},
  issn = {0031-9007},
  doi = {10.1103/PhysRevLett.120.173001},
}