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David J. Betz的作品

Cover for David J. Betz · The Guarded Age: Fortification in the Twenty-First Century (Paperback Book) (2023)

The Guarded Age: Fortification i... (2023)

Cover for David J. Betz · Cyberspace and the State: Towards a Strategy for Cyber-Power - Adelphi series (Paperback Book) (2011)

Cyberspace and the State: Toward... (2011)