@article{179911,
  author = {Tara Fortier and Jason Stalnaker and Scott Diddams and Neil Ashby and Luca Lorini and Windell Oskay and Marie Delaney and James Bergquist and Steven Jefferts and Thomas Parker and Thomas Heavner and Filippo Levi and Jon Shirley and Wayne Itano and Kyoungsik Kim and Leo Hollberg},
  title = {Precision Atomic Spectroscopy for Improved Limits on Variation of the Fine Structure Constant and Local Position Invariance},
  year = {2007},
  number = {98},
  month = {2007-02-16},
  publisher = {Physical Review Letters},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50426},
  language = {en},
}