Signature mark | NL 053/0382 |
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Subject | Korrespondenz |
Title | Briefwechsel mit Hantaro Nagaoka (Institute of Physical and Chemical Research, Tokio) zu Ionosphärenforschung |
Duration | 21.04.1941 - 31.05.1941 |
Scope | 3 Bl. ms. u. Ds. |
Rights notice | CC BY-SA 4.0 |