@inproceedings{
author={Kirman Ben. and Collova Francesco and Davide Fabrizio and Ferrari Eva and Freeman Jonathan and Lawson Shaun and Linehan Conor and Ravaja Niklas},
year={2011},
publisher={DiGRA/Utrecht School of the Arts},
title={Social Architecture and the Emergence of Power Laws in Online Social Games},
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/11301.37219.pdf}
}