. . . "1"@en . _:b1 . _:b1 "initial version"@en . _:b1 "2019-04-03T16:20:21+02:00" . _:b1 "Rastislav Hudak" . _:b2 . _:b2 "Rastislav Hudak" . _:b2 "2019-04-03T16:22:19+02:00" .