DescriptionNl-koperoxide.ogg Dutch pronunciation for "koperoxide" — male voice. Date 13 March 2015 Source Own work Author marcel coenders...
DescriptionNl-koperoxides.ogg Wikiwoordenboek audio Date 25 April 2016 Source Own work Author Marcel coenders...
DescriptionNl-yttrium-barium-koperoxide.ogg Dutch pronunciation for "yttrium-barium-koperoxide" — male voice. Date 28 March 2016 Source Own work Author...