00309 am a2200121 4500001000500000005001700005008004100022020001800063040002700081100002100108245003000129260002800159972520260327110330.0 s2019 xr ---------u-------cze d a9788071964605 aGJHKNbczeerdacGJHKN1 aLepil, Oldřich10aElektřina a magnetismus aPrahabPrometheusc2019