00449nam a2200121la 450000500170000000800370001705000230005410000190007724501750009625000060027126000420027730000080031920260128043428.0251202s9999 xx 000 0 und d aK 4115.9bHAV 1997 aBrian F. Havel aIn search of open skies : law and policy for a new era in international aviation : a comparative study of airline deregulation in the United States and the European Union a- aHaguebKluwer Law Internationalc1997 a534