@book{UBHD-67844601,
  author={Liu, Ruoyu},
  title={Constraining sources of ultrahigh energy cosmic rays and shear acceleration mechanism of particles in relativistic jets},
  year={2015},
  pages={Online-Ressource (131 S.)},
  language={eng},
  note={Mit Zsfassungen in dt. und engl. Sprache},
  school={Heidelberg, Univ., Diss., 2015},
  doi={10.11588/heidok.00018974},
  url={http://www.ub.uni-heidelberg.de/archiv/18974},
  library={UB},
}
@book{UBHD-67847899,
  author={Liu, Ruoyu},
  title={Constraining sources of ultrahigh energy cosmic rays and shear acceleration mechanism of particles in relativistic jets},
  year={2015},
  pages={VIII, 108, 13 S.},
  language={eng},
  note={Mit Zsfassungen in dt. und engl. Sprache},
  school={Heidelberg, Univ., Diss., 2015},
  library={UB [Signatur: 2015 U 654]},
}