Verteidigung : Idee, Gesellschaft, Weltstrategie, Bundeswehr : ein Handbuch / hrsg. von Emil Obermann European defense transportation association : a proposal for an effective organization of the European transport system in times of disaster and war / by K.C.A. … defence, technology and the western alliance European co-operation in defence technology : the political aspect / John Calmann questions d'actualité O.T.A.N. et l'Europe / Général Beaufre