Some details on air work and transport by helicopter in Europe
By: by R. Balat.
Series: ITA studies ;; 1966/no. 9-E
Publisher: Institut du transport aérien
Published: 1966
Place of publication: Paris
Language: eng
Number of pages: 61
Notes: Translation of: Quelques indications sur le travail aérien et le transport par helicoptère en Europe.