@book{UBHD-65311300,
  author={Graps, Amara Lynn},
  title={Io revealed in the Jovian dust streams},
  year={2001},
  pages={II, 131 S.},
  language={eng},
  school={Heidelberg, Univ., Diss., 2001},
  library={UB [Signatur: 2001 U 710]},
}
@book{UBHD-65417279,
  author={Graps, Amara Lynn},
  title={Io revealed in the Jovian dust streams},
  year={2002},
  pages={Online-Ressource},
  language={eng},
  school={Heidelberg, Univ., Diss., 2001},
  doi={10.11588/heidok.00001838},
  url={http://www.ub.uni-heidelberg.de/archiv/1838},
  library={UB},
}