@book{Schumann2001,
  author    = {Schumann, Christopher},
  title     = {Zum Aufbau von Humankapital : Investitionen in H{\"o}here Bildung in Estland},
  series = {International economics working paper},
  volume    = {0101},
  journal   = {International economics working paper},
  publisher = {Univ.},
  address   = {Potsdam},
  issn      = {1433-920X},
  pages     = {ca. 50 S.},
  year      = {2001},
  language  = {de}
}