Starting with scratch in CS 1

Ursula Wolz, Henry H. Leitner, David J. Malan, John Maloney. Starting with scratch in CS 1. In Sue Fitzgerald, Mark Guzdial, Gary Lewandowski, Steven A. Wolfman, editors, Proceedings of the 40th SIGCSE Technical Symposium on Computer Science Education, SIGCSE 2009, Chattanooga, TN, USA, March 4-7, 2009. pages 2-3, ACM, 2009. [doi]

@inproceedings{WolzLMM09,
  title = {Starting with scratch in CS 1},
  author = {Ursula Wolz and Henry H. Leitner and David J. Malan and John Maloney},
  year = {2009},
  doi = {10.1145/1508865.1508869},
  url = {http://doi.acm.org/10.1145/1508865.1508869},
  researchr = {https://researchr.org/publication/WolzLMM09},
  cites = {0},
  citedby = {0},
  pages = {2-3},
  booktitle = {Proceedings of the 40th SIGCSE Technical Symposium on Computer Science Education, SIGCSE 2009, Chattanooga, TN, USA, March 4-7, 2009},
  editor = {Sue Fitzgerald and Mark Guzdial and Gary Lewandowski and Steven A. Wolfman},
  publisher = {ACM},
  isbn = {978-1-60558-183-5},
}