Paper  bibtex   

@inproceedings{klenk2006AMFQR,
  title={Analogical model formulation for AP Physics Problems},
  author={Klenk, Matthew and Forbus, Kenneth D},
  year={2006},
  booktitle={Proceedings of the 20th international workshop on qualitative reasoning},
  %venuetype = {Workshop},
  url={http://matthewklenk.com/papers/qr06-klenk-forbus-final.pdf}
}

% Graz, Austria