> Verlagsreihe
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2:
Airline mergers and cooperation in the European Community 27 July 1990 in London ed. by P. D. Dagtoglou
Athens [u.a.]: Sakkoulas [u.a.], 1991
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1:
Air transport and the European community recent developments; 2 November 1989 in London ed. by P. D. Dagtoglou
Deventer [u.a.]: Kluwer Law and Taxation, 1990