https://pdfs.semanticscholar.org/3995/4d34fdc457472b835d1da918b201c4811551.pdf?_ga=2.49758374.1080744394.1615477464-2091842357.1614855742 Je to ono ? Mrazík Dne 11. 03. 21 v 16:35 Daniel Valuch napsal(a): > M. MacMartin and N. Kusters, "A self-balancing direct current comparator > for 20 000 amperes