The new world of helicopters
By: by Frank J. Delear.
Edition: Rev. ed.
Publisher: Dodd, Mead
Published: 1978
Place of publication: New York
Language: eng
Number of pages: 80
Subjects: Helicopters -- Juvenile literature.; Helicopters.
Description: Traces the history of helicopters and includes pictures of different models with descriptions of their diverse uses.
Notes: Includes index.