IUGS/IAGC. Working Group on "Global Geochemical Baselines". / Shaun Reeder / Maria de Almeida Farinha / Milan Bidovec / Alecos Demetriades / Andrew E. Grosz / Toril Haugland / Annamaria Lima / Karol Marsina / Luis Martins / Patrick O'Connor / Rolf Tore Ottesen / Simon Pirc / Jane A. Plant / Reijo Salminen / Harry Sandström / Ulrich Siewers / Jana Svecova / Timo Tarvainen / Benedetto De Vivo / Walter de Vos | 