Goldberg, Ian. «The (Real-Time) Cryptanalysis of A5/2» (en anglès). David Wagner's page at UC Berkeley Department of Electrical Engineering and Computer Sciences, 26-08-1999. Arxivat de l'original el April 21, 2021.
Goldberg, Ian. «The (Real-Time) Cryptanalysis of A5/2» (en anglès). David Wagner's page at UC Berkeley Department of Electrical Engineering and Computer Sciences, 26-08-1999. Arxivat de l'original el April 21, 2021.