EFTIMIE, Dorin. “Optimizing the Taking of the Samples from the Contaminated Sites With the Aid of the Drones”. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 42, no. 3 (September 15, 2019): 28-31. Accessed April 27, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/2802.