@book{deppe_2000, 
  title={Measurement of $D^{+-}$ electroproduction at HERA}, 
  volume={Diss.}, 
  DOI={10.3204/desy-thesis-2000-006}, 
  institution={Deutsches Elektronen-Synchrotron, DESY, Hamburg}, 
  author={Deppe, O.}, 
  year={2000}
  }