10.Vowel
... syllabic; the dot separates syllables), or the r in Serbian vrt [vr̩t] "garden" ... Retrieved from " http://en.wikipedia.org/wiki/Vowel" ...
-- http://schools-wikipedia.org/wp/v/Vowel.htm
12.Vowel
... the dot separates syllables), or the r in the Serbian word vrba [vr̩.ba] "willow" ... This text comes from Wikipedia the free encyclopedia. ...
-- http://www.wikipediaondvd.com/nav/art/9/q.html