@article{Chen:2019aS,
  author = "Chen, Long  and  Heinrich, Gudrun  and  Jahn, Stephan  and  P. Jones, Stephen  and  Kerner, Matthias  and  Schlenk, Johannes  and  Yokoya, Hiroshi",
  title = "{Photon pair production in gluon fusion: Top quark  effects around threshold}",
  doi = "10.22323/1.375.0026",
  journal = "PoS",
  year = 2019,
  volume = "RADCOR2019",
  pages = "026"
}