@inproceedings{SchneiderDS2004,
  crossref  = {Dagstuhl2004},
  author    = {Schneider, Markus},
  editor    = {Johannes Magenheim and Sigrid Schubert},
  title     = {{An Empirical Study of Introductory Lectures In
              Informatics Based on Fundamental Concepts}},
  booktitle = {{Informatics and Student Assessment. Concepts of
              Empirical Research and Standardisation of Measurement
              in the Area of Didactics of Informatics}},
  pages     = {123--133},
  year      = 2004,
}