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Published: Dortmund : Weltkreis, 1986.
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Published: Bonn : Referat "Öffentlichkeitsarbeit gegen Terrorismus" im Bundesministerium des Innern, 1982.
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Published: Berlin : Dietz, 2006
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Published: Münster : Unrast, 1997
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Published: Sankt Augustin : COMDOK, Verl.-Abt, 1993.
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