@inproceedings{PAUL:2013IP,
  author = "PAUL, Ewald",
  title = "{Measurement of charm fragmentation fractions in photoproduction at HERA}",
  doi = "10.22323/1.191.0291",
  booktitle = "Proceedings of XXI International Workshop on Deep-Inelastic Scattering and Related Subjects {\textemdash} PoS(DIS 2013)",
  year = 2013,
  volume = "191",
  pages = "291"
}