1. Hromosvod a jeho účinky Creator: Vejtruba, Josef Publisher: J. Vejtruba Format: print and 22 stran : ilustrace 17 cm Type: model:monograph and TEXT Subject: Elektrotechnika, hromosvody, účinnost, 621.316.98, (048.8), 19, 621.3, and UP02 Language: Czech Description: sepsal Josef Vejtruba Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public