USA
Larry Barton, University of New Mexico (link)
Christopher Ackerson, Colorado State University (link)
Elizabeth Pilon-Smits, Colorado State University (link)
Germany
Liane Benning, GFZ Potsdam (link)
Michael Kumke, University of Potsdam (link)
Andreas Kappler, University of Tübingen (here)
Florin Mușat, UFZ Leipzig (link)
France
Eric van Hullebusch, IPGP, Paris (link)
Laurent Charlet, ISTerre Grenoble (link)
Hungary
Mihaly Posfai, University of Pannonia, Veszprem (link)
Belgium
Rob van Houdt, Belgian Nuclear Research Centre (link)
Spain
José Luis Rodríguez Gallego, University of Oviedo (here)
Encarnación Ruiz-Agudo, University of Granada (here)
Mohamed Merroun, University of Granada (link)
Poland
Lukasz Dziewit & Lukasz Drewniak, University of Warsaw (link)
Dariusz Bartosik, University of Warsaw (link)
Tomasz Bajda, AGH Krakow (link)
Romania
Alina Maria Holban, University of Bucharest (link)