@article{MagenheimNellesNeugebaueretal.2015,
  author    = {Johannes Magenheim and Wolfgang Nelles and Jonas Neugebauer and Laura Ohrndorf and Niclas Schaper and Sigrid Schubert},
  title     = {Expert Rating of Competence Levels in Upper Secondary Computer Science Education},
  journal   = {KEYCIT 2014 - Key Competencies in Informatics and ICT},
  number    = {7},
  pages     = {199 -- 216},
  year      = {2015},
}