@misc{neilson2014occurrence,
  title={The occurrence of classical Cepheids in binary systems},
  author={Hilding R. Neilson and Fabian R. N. Schneider and Robert G. Izzard and Nancy R. Evans and Norbert Langer},
  year={2014},
  eprint={1412.3468},
  archivePrefix={arXiv},
  primaryClass={astro-ph.SR},
  doi={10.1051/0004-6361/201424408},
  url={https://arxiv.org/abs/1412.3468}
}