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Unesco statistical digest : a statistical summary of data on education, science and technology, culture and communication, by country
UNESCO - Paris : Unesco - 4.1984 - 7.1987; 1990; damit Ersch. eingest.
Persistent link: https://www.econbiz.de/10000506281
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Airport traffic
International Civil Aviation Organization - 1962-: Montreal, Quebec : ICAO - 1.1960(1962) -
Persistent link: https://www.econbiz.de/10000450998
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Traffic by flight stage
International Civil Aviation Organization - Montreal : ICAO - Nr. 73.1976(1977) -
Persistent link: https://www.econbiz.de/10000451559
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Airports and route facilities : financial data and summary traffic data
International Civil Aviation Organization - Montreal [u.a.] - 14.1996(1998) -
Persistent link: https://www.econbiz.de/10001631257