World encyclopediaof civil and military helicopters
By: Giorgio Apostolo ; advisor on English-language edition, Elfan ap Rees.
Contributors: Ap Rees, Elfan.
Publisher: Willow Books; Collins
Published: 1984
Place of publication: London
Language: eng
Number of pages: 140
Subjects: Helicopters -- History.
Notes: Includes index.

Translated from the Italian.