The Eurasian Dry Grassland Group (EDGG) in 2015–2016
Venn, Stephen, Ambarlı, Didem, Biurrun, Idoia, Dengler, Jürgen, Janišová, Monika, Kuzemko, Anna, Török, Péter, Vrahnakis, Michael
The Eurasian Dry Grassland Group (EDGG) in 2018–2019
Dengler, Jürgen, Aleksanyan, Alla, Ambarlı, Didem, Biurrun, Idoia, Dembicz, Iwona, Kuzemko, Anna, Török, Péter, Venn, Stephen, Vrahnakis, Michael
The Eurasian Dry Grassland Group (EDGG) in 2016–2017
Venn, Stephen, Ambarlı, Didem, Biurrun, Idoia, Dengler, Jürgen, Kuzemko, Anna, Török, Péter, Vrahnakis, Michael
Dry Grassland Types in the Prespa National Park (Nw Greece), Including the Southernmost Occurrence of the Priority Habitat Type “Pannonic Sand Steppes” (Code 6260)
Fotiadis, Georgios, Vrahnakis, Michael, Kazoglou, Yannis, Tsiripidis, Ioannis