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Winkler U, Zotz G.Winkler U, et al. Among authors: zotz g.Ann Bot. 2009 Feb;103(3):477-84. doi: 10.1093/aob/mcn231. Epub 2008 Nov 25.Ann Bot. 2009.PMID: 19033287Free PMC article.
Winkler U, Zotz G.Winkler U, et al. Among authors: zotz g.Ann Bot. 2010 Sep;106(3):421-7. doi: 10.1093/aob/mcq120. Epub 2010 Jun 10.Ann Bot. 2010.PMID: 20542886Free PMC article.