Sanchez Lopez, Jose Luis and Pestana Puerta, Jesús and Puente Yusty, Paloma de la and Suárez Fernández, Ramón and Campoy Cervera, Pascual (2014). A System for the Design and Development of Vision-based Multi-robot Quadrotor Swarms. In: "2014 International Conference on Unmanned Aircraft Systems (ICUAS)", May 27-30, 2014, Orlando, Florida, USA. ISBN 9781479923762. pp. 640-648. https://doi.org/10.1109/ICUAS.2014.6842308.