Surmann, H., Holz, D., Blumental, S., Linder, T., Molitor, P., & Tretyakov, V. (2008). Teleoperated Visual Inspection and Surveillance with Unmanned Ground and Aerial Vehicles. International Journal of Online and Biomedical Engineering (iJOE), 4(4), pp. 26–38. https://doi.org/10.3991/ijoe.v4i4.699