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A. Renzaglia, L. Doitsidis, A. Martinelli, and E. B. Kosmatopoulos, Adaptive-based, scalable design for autonomous multi-robot surveillance, 49th IEEE Conference on Decision and Control (CDC), pp.4618-4624, 2010.
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M. Schwager, J. Mclurkin, and D. Rus, Distributed Coverage Control with Sensory Feedback for Networked Robots, Robotics: Science and Systems II, 2006.
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L. Pimenta, V. Kumar, R. Mesquita, and G. Pereira, Sensing and coverage for a network of heterogeneous robots, 2008 47th IEEE Conference on Decision and Control, pp.3947-3952, 2008.
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A. Ganguli, J. Cortés, and F. Bullo, Maximizing visibility in nonconvex polygons: nonsmooth analysis and gradient algorithm design, American Control Conference, pp.792-797, 2005.

A. Ganguli, J. Cortés, and F. Bullo, Visibility-based multi-agent deployment in orthogonal environments, 2007 American Control Conference, pp.3426-3431, 2007.
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A. Breitenmoser, J. Metzger, R. Siegwart, and D. Rus, Distributed Coverage Control on Surfaces in 3D Space, 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2010.
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E. B. Kosmatopoulos, M. Papageorgiou, A. Vakouli, and A. Kouvelas, Adaptive Fine-Tuning of Nonlinear Control Systems With Application to the Urban Traffic Control Strategy TUC, IEEE Transactions on Control Systems Technology, vol.15, issue.6, pp.991-1002, 2007.
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E. B. Kosmatopoulos and A. Kouvelas, Large Scale Nonlinear Control System Fine-Tuning Through Learning, IEEE Transactions on Neural Networks, vol.20, issue.6, pp.1009-1023, 2009.
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S. Lacroix, I. Jung, and A. Mallet, Digital elevation map building from low altitude stereo imagery, Proc. Of the 9 th Int. Symposium on Intelligent Robotic Systems, 2001.
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M. Bloesch, S. Weiss, D. Scaramuzza, and R. Siegwart, Vision based MAV navigation in unknown and unstructured environments, 2010 IEEE International Conference on Robotics and Automation, 2010.
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M. Achtelik, M. C. Achtelik, S. Weiss, R. Siegwart, and R. , Onboard IMU and monocular vision based control for MAVs in unknown in- and outdoor environments, 2011 IEEE International Conference on Robotics and Automation, 2011.
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G. Klein and D. Murray, Parallel Tracking and Mapping for Small AR Workspaces, 2007 6th IEEE and ACM International Symposium on Mixed and Augmented Reality, 2007.
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S. Weiss and R. Siegwart, Real-time metric state estimation for modular vision-inertial systems, 2011 IEEE International Conference on Robotics and Automation, 2011.
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A. Renzaglia, L. Doitsidis, A. Martinelli, and E. B. Kosmatopoulos, Multi-Robot 3D Coverage of Unknown Areas, International Journal of Robotics Research
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D. Gurdan, J. Stumpf, M. Achtelik, K. Doth, G. Hirzinger et al., Energy-efficient Autonomous Four-rotor Flying Robot Controlled at 1 kHz, Proceedings 2007 IEEE International Conference on Robotics and Automation, pp.361-366, 2007.
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