@article{HainichOskinovaShenaretal.2018,
  author    = {Rainer Hainich and Lida Oskinova and Tomer Shenar and Pablo Marchant Campos and J. J. Eldridge and Andreas Alexander Christoph Sander and Wolf-Rainer Hamann and Norbert Langer and Helge Tobias Todt},
  title     = {Observational properties of massive black hole binary progenitors},
  journal   = {Astronomy and astrophysics : an international weekly journal},
  volume    = {609},
  doi       = {10.1051/0004-6361/201731449},
  year      = {2018},
}