@inproceedings{Voelk:2011hE,
  author = "Voelk, Heinrich  and  Lisenfeld, Ute",
  title = "{Shock acceleration of relativistic particles in galaxy-galaxy collisions}",
  doi = "10.22323/1.123.0139",
  booktitle = "Proceedings of 25th Texas Symposium on Relativistic Astrophysics  {\textemdash} PoS(Texas 2010)",
  year = 2011,
  volume = "123",
  pages = "139"
}