RobocCup-99 Team Descriptions. Small and Middle Leagues
 Bicho; Estela and Schoner; Gregor: The dynamic approach to autonomous robotics demonstrated on a low-level vehicle platform. Robotics and Automation systems 21(1997); pages 23-25.
 Bicho; Estela and Schoner; Gregor: Target position estimation; target aquisition and obstacle avoidance. International Symposium on Industrial Electronics’97; 97TH8280; 3-7 July 1997; Guimaraes; Portugal; pages SS13- SS20.
 Bicho; Estela: Target representation for phototaxis. September 1997; Institut f√ľr Neuroinformatik; ruhr-universitat-Bochum; Germany.