@article{Schwill1997,
  author    = {Schwill, Andreas},
  title     = {Computer science education based on fundamental ideas},
  year      = {1997},
  language  = {en}
}
@article{Schwill1997,
  author    = {Schwill, Andreas},
  title     = {Fundamental ideas : rethinking computer science education},
  year      = {1997},
  language  = {en}
}