Where seems to be the problem? -- 12:47, 23. avgust 2019 (CEST)

I saw only this edit, which seems to remove a reference without any reasoning, so I reverted it. In the future, please fill edit summaries and you should be fine :). --Martin Urbanec (pogovor) 12:48, 23. avgust 2019 (CEST)

I understand, but I have replaced the reference with a more relevant on (english Wikipedia to Slovenian COBISS, as it is a more relevant page).-- 12:50, 23. avgust 2019 (CEST)