title: Virtual special issue of the 3rd Joint European Stable Isotope Users group Meeting (JESIUM) 2012, held in Leipzig, Germany.
authors.affiliation: Helmholtz Centre for Environmental Research UFZ, Organizers of JESIUM 2012. gerhard.strauch@ufz.de.
authors.forename: Gerhard
authors.initials: G
authors.lastname: Strauch
authors.forename: Matthias
authors.initials: M
authors.lastname: Gehre