@article{Wloka2012, author = "Bartholomäus Wloka and Werner Winiwarter", title = "{wloka_winiwarter.pdf}", year = "2012", month = "11", url = "https://figshare.com/articles/journal_contribution/wloka_winiwarter_pdf/99382", doi = "10.6084/m9.figshare.99382.v1" }