@article {IOPORT.50253298,
    author       = {Magerko, Brian},
    title        = {Adaptation in digital games},
    year         = {2008},
    journal      = {IEEE Computer},
    volume       = {41},
    number       = {6},
    pages        = {87-89},
    doi          = {10.1109/MC.2008.172},
    identifier   = {50253298},
}