@article{Henderson:2018YN,
  author = "Henderson, Brian",
  title = "{Results from the OLYMPUS Experiment on the Contribution of Hard Two-Photon Exchange to Elastic Electron-Proton Scattering}",
  doi = "10.22323/1.310.0149",
  journal = "PoS",
  year = 2018,
  volume = "Hadron2017",
  pages = "149"
}