PÎRJOL, Petru, and Ana-Maria CHISEGA-NEGRILĂ. “ASPECTS REGARDING THE USE OF PASSIVE SENSORS ON AIR SURVEILLANCE MISSIONS”. BULLETIN OF "CAROL I" NATIONAL DEFENCE UNIVERSITY 9, no. 1 (March 30, 2020): 14–19. Accessed December 22, 2024. https://revista.unap.ro/index.php/bulletin/article/view/843.