Hans Joosten, University of Greifswald, IMCG, Germany

Olivia Bragg, University of Dundee UD, IMCG, UK

Richard Lindsay, University of East London, UK

Francis Muller, French Mire Resource Centre, France

Rodolfo Iturraspe, Centro Austral de Investigaciones Científicas CADIC, Argentina

Felipe Macías, University of Santiago de Compostela USC, Spain

Antonio Martínez Cortizas, University of Santiago de Compostela USC, Spain