@incollection{SteffensSuhrkeRoessler2007,
  author    = {Oliver Steffens and Michael Suhrke and Ulrich R{\"o}ssler},
  title     = {Ground state and collective excitations of quantum dots: Correlation effects and Hund's rule in magnetic field},
  booktitle = {Advances in Solid State Physics},
  editor    = {Bernhard Kramer},
  volume    = {39},
  isbn      = {978-3-540-44553-1},
  doi       = {10.1007/BFb0107469},
  year      = {2007},
}