Balaton Limnological Research InstituteHungarian Academy of Sciences, Hungary
Center for LimnologyUniversity of Wisconsin-Madison, USA
Institute for LimnologyAustrian Academy of Sciences, Mondsee, Austria
Institute of Limnology, Russian Academy of Sciences St.-Petersburg, Russia
Kinneret Limnological LaboratoryMigdal, Israel
Institute of Zoology and LimnologyUniversity of Innsbruck, Austria
Limnological StationTechnical University of Munich, Germany
Max Planck Institute for Limnology Ploen, Germany