NAVO zakboekje / Noord-Atlantische Verdragsorganisatie defence, technology and the western alliance European co-operation in defence technology : the political aspect / John Calmann unsolved problems of European defense / by Henry A. Kissinger Eurogroup / Nato Information Service Beantwoording schriftelijke vragen over de problematiek van de LRNTF-modernisering en de wapenbeheersing , 17 december 1979