000 00319nam a2200109Ia 4500
008 171211s9999 xx 000 0 und d
245 _aGame Design Theory: A New Philosophy for Understanding Games
245 _cKeith Burgun
260 _c2012
650 _xGAMES
856 _uhttp://down.ebook777.com/058/1466554207.pdf
999 _c348875
_d348875