World aviation at the close of the 20th century
Subtitle: chalenges and constraints
By: lecture presented by Reinhardt Abraham on the occasion of the "7th day of the European pioneers", Toulouse, May 6th, 1982.
Publisher: Deutsche Lufthansa
Published: 1982
Place of publication: [Frankfurt am Main
Language: ger
Number of pages: 27
Subjects: Aeronautics -- History