Frequency of free relative clauses from <a href="https://en.wikipedia.org/wiki/Snje%C5%BEana_Kordi%C4%87" class="extiw" title="w:Snježana Kordić">Snježana Kordićʼs</a> book <i><a rel="nofollow" class="external text" href="https://archive.org/details/KordicRelativnaRecenica">Relativna rečenica</a></i>, Zagreb 1995, diagram on p. 218 or its German translation: <i>Der Relativsatz im Serbokroatischen</i>, Munich 1999, diagram on p. 200
<bdi><a href="https://en.wikipedia.org/wiki/en:Snje%C5%BEana_Kordi%C4%87" class="extiw" title="w:en:Snježana Kordić"><span title="Croatian linguist">Snježana Kordić</span></a>
</bdi>
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free book scan online in <a rel="nofollow" class="external text" href="http://bib.irb.hr/prikazi-rad?&amp;lang=EN&amp;rad=426507">Croatian scientific bibliography</a> at Roger Joseph Boscovich Institute Library