1. CSSI,Inc.,Williams, A.,2005,BenefitsAssessmentofReducedSeparations in North Atlantic Organized Track System, FinalReport,URL:http://acast.grc.nasa.gov/resources/index.shtml
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3. Eurocontrol,2000,Baseof Aircraft Data Models version 3.3,URL:http://www.eurocontrol.fr/projects/bada/
4. ICAO,2004,34thNorthAtlanticTrafficForecastingGroupMeeting,URL:http://www.nat-pco.org/