Headless Chickens III. - Paul Scerri; Johan Ydrén; Tobias Wiren; Mikael Lönneberg; Pelle Nilsson (RoboCup, 1999)

Headless Chickens IV. - Paul Scerri; Nancy E. Reed; Tobias Wiren; Mikael Lönneberg; Pelle Nilsson (RoboCup, 2000)