00391nam a2200133Ia 450000500170000008000190001710000180003624500920005426000470014630000160019358300180020994200130022799900170024020260716043733.0  a10.05.01 B5491  aBertrand, Ian  aStudy of critical issues affecting the regional air transport sub-sector : final report  bWorld Tourism OrganizationaMadridESc2001  a55, [29] p.  c9/26/06kJOYD  cMmB5491  c53297d53297