Venn, Stephen, Didem Ambarlı, Idoia Biurrun, Jürgen Dengler, Monika Janišová, Anna Kuzemko, Péter Török, in Michael Vrahnakis. „The Eurasian Dry Grassland Group (EDGG) in 2015–2016“. Hacquetia 15, no. 2 (avgust 2, 2016). Pridobljeno december 10, 2025. https://ojs.zrc-sazu.si/hacquetia/article/view/4638.