Sudoc Stem: C 31.8 - Blacklight Search Results

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1. Radio aids to navigation. Aug. 1, 1940.

Corporate/Agency Authors:: Civil Aeronautics Authority and Commerce Department
Publisher:: Civil Aeronautics Authority
Date:: [1940.]
SuDoc number:: C 31.8:940/8

2. Radio aids to navigation. Tabulation of air navigation radio aids, July 1, 1940.

Corporate/Agency Authors:: Civil Aeronautics Authority and Commerce Department
Publisher:: Civil Aeronautics Authority
Date:: [1940.]
SuDoc number:: C 31.8:940/7