A low-cost radiation detection system to monitor radioactive environments by unmanned vehiclesAndrea Chierici, Andrea Malizia, Daniele di Giovanni, Francesca Fumian, Luca Martellucci, Pasquale Gaudio and Francesco d’ErricoEur. Phys. J. Plus, 136 3 (2021) 314DOI: https://doi.org/10.1140/epjp/s13360-021-01276-4