By JACOBSEN PHILIP   in International Journal of Intelligence and Counterintelligence

ISSN:1521-0561|18|1|142-149

Routledge Ltd‎(2004)‎

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By Jacobsen Philip   in Cryptologia

ISSN:0161-1194|31|1|57-75

Taylor & Francis Ltd‎(2007)‎

Access to resources Favorite 15.620323

By Jacobsen Philip   in Intelligence and National Security

ISSN:0268-4527|19|4|695-718

Routledge Ltd‎(2004)‎

Access to resources Favorite 15.620323