RT Journal Article SR Electronic A1 BernĂ¡t, Milan T1 JF e-Pedagogium YR 2006 VO 6 IS 3 SP 7 OP 20 UL https://e-pedagogium.upol.cz/en/artkey/epd-200603-0001.php AB The contribution is a selected example of instruction sheets for implementation of visualization of electro-magnetic processes.