@PhdThesis{Aehlig03,
  author =       {Aehlig, Klaus},
  title =        {On Fragments of Analysis with Strengths of Finitely
                  Iterated Inductive Definitions},  
  school =       {Ludwig-Maximilians-Universit{\"a}t M{\"u}nchen},
  year =         2003,
  month =        jul
}