@article{Schmidt2007,
  author    = {Reinhard H. Schmidt},
  title     = {Paul Riebel, Begr{\"u}nder der Deckungsbeitragsrechnung : Nachruf},
  journal   = {Uni-Report / Johann Wolfgang Goethe-Universit{\"a}t Frankfurt},
  volume    = {35},
  number    = {1},
  pages     = {9 -- 9},
  year      = {2007},
}