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2. Van Creveld, Martin: Technology and War, p. 311. Brassey’s, London (1991)
3. http://www.bbc.co.uk/history/worldwars/war_tech_gallery.shtml
. Accessed 24 June 2017
4. Brimley, S., FitzGerald, B., Sayler, K.: Game Changers: Disruptive Technology and U.S. Defense Strategy, p. 7 (2013)
5. http://www.uow.edu.au/~bmartin/pubs/01tnvs/tnvs02.html