Signature mark | NL 106/030 |
---|---|
Subject | Bericht (1) |
Author |
Billing, Heinz
|
Title | Flight Tests on Acoustic Location from an Aeroplane |
Duration | 1946 |
Scope | 19 S. ms. |
Subject area | Funkortung und -navigation <410.11> |
Formal information | Languages: Englisch |
Rights notice | CC BY-SA 4.0 |