Classification of the Ground from the Air: Discussion

The Geographical Journal 1920 / 08 Vol. 56; Iss. 2

Classification of the Ground from the Air: Discussion

G. W. Young, H. A. Lloyd, J. G. Hearson, Commander Hogarth and Mr. Hinks
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Volume:
56
Language:
english
Journal:
The Geographical Journal
DOI:
10.2307/1781272
Date:
August, 1920
File:
PDF, 267 KB
english, 1920
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