K. Baev, Georgi. “RESEARCH ON THE LIKELIHOOD RATIO OF REGISTERED UNIDENTIFIED SIGNALS OF SATELLITE ENVIRONMENTAL MONITORING OF ATMOSPHERE”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH 2, no. 1 (March 4, 2023): 109–113. Accessed November 24, 2024. https://jsar.ftn.shu.bg/index.php/jsar/article/view/51.