title: Preface.
authors.affiliation: Rebecca.Hood@chello.at
authors.forename: Rebecca
authors.initials: R
authors.lastname: Hood-Nowotny
authors.forename: Roland
authors.initials: R
authors.lastname: Bol
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Wanek
authors.forename: Andreas
authors.initials: A
authors.lastname: Richter
mesh_terms: D001272:Atmosphere / Q000032:analysis / Q000737:chemistry; D002244:Carbon / Q000378:metabolism; D002247:Carbon Isotopes; D004463:Ecology; D017753:Ecosystem; D006262:Health; D007553:Isotope Labeling; D009747:Nutritional Physiological Phenomena
chemical_list: D002247:Carbon Isotopes; D002244:Carbon