Air photography applied to surveying,
by C. A. Hart. With a foreword by Sir Alexander Gibb.
- London, New York [etc.] Longmans, Green and co. [1940]
- xx, 366 p. illus. (incl. maps) iv pl., diagrs. 25 cm.
Colored spectacles for use with anaglyphs (pl. i-iv) in pocket. "First published 1940."