Osservazioni
S. Leibfried, S. M. Gaines L. Frisina, Through The funhouse looking glass: Europe's ship of state, TranState Working Papers, n. 90, Brema, Sfb 597 „Staatlichkeit im Wandel“, 2009. http://www.google.it/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0CD0QFjAB&url=http%3A%2F%2Fwww.sfb597.uni-bremen.de%2Fhomepages%2Fleibfried%2Fdownload.php%3FID%3D105%26SPRACHE%3DDE%26TABLE%3DAP%26TYPE%3DPDF&ei=v7FsU8-tFueKyQOf7ICQBg&usg=AFQjCNHOBmKpn8-Vk5mQa-p1EHFQG1CExQ&sig2=4W8Ik7L4vF8mJu1LnRREjw&bvm=bv.66330100,d.bGQ