Hellemans, WouterWouterHellemansRabbani, Md MasoomMd MasoomRabbaniVliegen, JoJoVliegenMentens, NeleNeleMentens2023-05-302023-01-142023-05-302022978-3-031-06974-11868-4238WOS:000894108100005https://imec-publications.be/handle/20.500.12860/40977FOCUS: Frequency Based Detection of Covert Ultrasonic SignalsProceedings paper10.1007/978-3-031-06975-8_5978-3-031-06975-8WOS:000894108100005