On 19th July, the library will be blocked from 14:00 due to the closure of the library until the 4th of August . We thank you for your understanding.
Email Record: Základy slaboproudé elektrotechniky. I. díl, Signalování a telegrafie = [Grundlagen der Schwachstromelektrotechnik. Teil I, Signalisieren und Telegraphie]
