@inproceedings{
author={Eggen Berry and Feijs Loe and de Graaf Mark and Peters Peter},
year={2003},
title={Breaking the flow: Intervention in computer game play through physical and Intervention in computer game play through physical and on-screen interaction},
isbn={ISSN 2342-9666},
booktitle={DiGRA \&\#3903 - Proceedings of the 2003 DiGRA International Conference: Level Up},
url={http://www.digra.org/wp-content/uploads/digital-library/05150.55594.pdf}
}