TY  - GEN
AU  - Bjork, Staffan.
AU  - Holopainen, Jussi
TI  - Patterns in game design
AV  - QA76.76 C672Bjo.
PY  - 2005///
PB  - Charles River Media
KW  - Computer games - Programming
N1  - 12452
N2  - Includes CD-ROM
ER  -