Egorov, A., Polyakov, V., Ruder , D., Kharchenko , R. and Rodionov, I. 2020. TRAINING LABORATORY COMPLEX FOR STUDYING METHODS OF MULTI-FREQUENCY MEASUREMENTS IN METAL DETECTORS. ПРОБЛЕМЫ ПРАВОВОЙ И ТЕХНИЧЕСКОЙ ЗАЩИТЫ ИНФОРМАЦИИ. 8 (Nov. 2020), 16-21.