Internationales Signalbuch, 1931
Publisher: Walter de Gunter & Co.
Published: 1941
Place of publication: Berlin
Language: ger
Subjects: Signals and signaling
Notes: committed to retain 20181001 in perpetuity ReCAP Shared Collection
Table of contents: title: v. 1. Signalbuch.; title: v. 2. Funkverkehrsbuch.