P. Ferreira and E. Colombini.
" Odometria Multifrequência para Veículos Aéreos Autônomos", in <em>Companion Proceedings of the 14th Brazilian Symposium of Robotics and 19th Latin American Robotics Symposium</em>, São Bernardo do Campo/SP, 2022, pp. 61-72, doi: <a href="https://doi.org/10.5753/wtdr_ctdr.2022.226938">https://doi.org/10.5753/wtdr_ctdr.2022.226938</a>.