@article{243171,
  author = {William McGrew and Xiaogang Zhang and Robert Fasano and Stefan Schaeffer and Kyle Beloy and Daniele Nicolodi and Roger Brown and N. Hinkley and G. Milani and Marco Schioppo and T. Yoon and Andrew Ludlow},
  title = {Atomic clock performance beyond Earth’s gravitational limit},
  year = {2018},
  month = {2018-12-06},
  publisher = {Nature},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=925688},
  language = {en},
}