Körpersprache: Entdecken Sie die Techniken der nonverbalen Kommunikation, wie man Menschen analysiert und Körpersprache interpretiert (German Edition)

Raspberry Pi ohne Vorkenntnisse: Innerhalb von 7 Tagen das erste eigene Projekt erstellen – Raspberry Pi 4 kompatibel! (Technik ohne Vorkenntnisse) (German Edition)

The Opening of the Glasgow Corporation Telephone System; Souvenir Brochure

A Single Optical Fiber Telephone System

Carrier Grade Voice Over IP (second edition)

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The Telephone System of the British Post Office: A Practical Handbook (Classic Reprint)