00760nam 2200241 450 2409480http://id.bnportugal.gov.pt/bib/porbase/240948020090325182601.0978-0-521-89111-0compraGBufpes002_bc.iso/03-11-2011/31089003156520090325d2003 m y0pory0103 baengGBRegions and Powers<the >structure of international securityBarry Buzan, Ole WaeverCambridgeCambridge University Press2003564, [6] p.23 cmCambridge Studies in International Relations330.3BNpor327BNporBuzanBarryWaeverOle070PTUFPESRPC