@article{BergmannMayWick2009,
  author    = {Bergmann, Julian and May, Lars and Wick, Ditmar},
  title     = {Stabilit{\"a}t sportlicher Begabung},
  isbn      = {978-3-88020-533-8},
  year      = {2009},
  language  = {de}
}
@article{BergmannWick2009,
  author    = {Bergmann, Julian and Wick, Ditmar},
  title     = {Zusammenhang zwischen der Ruheherzschlagfrequenz und der motorischen Leistungsf{\"a}higkeit},
  isbn      = {978- 3-88020-533-8},
  year      = {2009},
  language  = {de}
}
@article{MayBergmannWick2009,
  author    = {May, Lars and Bergmann, Julian and Wick, Ditmar},
  title     = {Der Brandenburger "Talentpass" als Mittel der Begabungsf{\"o}rderung},
  isbn      = {978-3-88020-533-8},
  year      = {2009},
  language  = {de}
}