Admissible gap navigation: A new collision avoidance approach
M. Mujahed, D. Fischer, B. Mertsching, Robotics and Autonomous Systems 103 (2018) 93–110.

Tangential Gap Flow (TGF) navigation: A new reactive obstacle avoidance approach for highly cluttered environments
M. Mujahed, D. Fischer, B. Mertsching, Robotics and Autonomous Systems 84 (2016) 15–30.

Two different approaches to a macroscopic model of a bio-inspired robotic swarm
T. Schmickl, H. Hamann, H. Wörn, K. Crailsheim, Robotics and Autonomous Systems 6 (2009) 913–921.