@inproceedings{ author={Betts Tom}, year={2011}, publisher={DiGRA/Utrecht School of the Arts}, title={Pattern Recognition: Gameplay as negotiating procedural form}, isbn={ISSN 2342-9666}, booktitle={DiGRA \&\#3911 - Proceedings of the 2011 DiGRA International Conference: Think Design Play}, month={January}, url={http://www.digra.org/wp-content/uploads/digital-library/11340.02077.pdf} }