Шишкін, О. В. “Forming and Detection of Digital Watermarks in the System for Automatic Identification of VHF Transmissions”. Proceedings of National Aviation University 55, no. 2 (May 11, 2013): 57–61. Accessed December 20, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/5415.