%0 Generic %T NATO a strategic concept for transatlantic security : hearing before the Committee on Foreign Relations, United States Senate, One Hundred Eleventh Congress, first session, October 22, 2009. %U https://ezaccess.libraries.psu.edu/login?url=http://search.proquest.com/congcomp/getdoc?HEARING-ID=HRG-2009-FOR-0053