[39]     Claudia Ertl & Axel Schulte. Enabling autonomous UAV co-operation by onboard artificial cognition. In: 1 st International Conference on Augmented Cognition, in conjunction with HCI International. Las Vegas, Nevada, USA. 22-27 July 2005.

[38]     Claudia Ertl, Michael Kriegel & Axel Schulte. Experimental Set-Up for the Development of Autonomous Capabilities and Operator Assistance in UAV Guidance. In: 6 th Conference on Engineering Psychology & Cognitive Ergonomics, in conjunction with HCI International. Las Vegas, Nevada, USA. 22-27 July 2005.