Should I stay or should I go? - Boundary maintaining mechanisms in Left 4 Dead 2. - Jonas Linderoth; Staffan Björk; Camilla Olsson (Nordic DiGRA, 2012)

Should I stay or should I go? A Study of Pickup Groups in Left 4 Dead 2. - Jonas Linderoth; Staffan Björk; Camilla Olsson (Trans. Digit. Games Res. Assoc., 2014)