RAMALLI, Giuseppe, Marcello GIOVANI, Fabrizio PACCHIACUCCHI, and Mattia MANNESCHI. 2016. “PIPELINE MONITORING WITH DRONES”. Studia Universitatis Babeș-Bolyai Ambientum 61 (1-2):105-18. http://193.231.18.162/index.php/subbambientum/article/view/4265.