%0 Conference Paper
%B DiGRA \&\#3903 - Proceedings of the 2003 DiGRA International Conference: Level Up
%A Juul Jesper
%T The game, the player, the world: looking for a heart of gameness
%@ ISSN 2342-9666
%D 2003
%2 http://www.digra.org/wp-content/uploads/digital-library/05163.50560.pdf