@inbook{https://resolver.caltech.edu/CaltechAUTHORS:20230602-402650400.1, title = "Fortschritte der Chemie Organischer Naturstoffe", chapter = "The Carbon Cycle in Nature", url = "https://resolver.caltech.edu/CaltechAUTHORS:20230602-402650400.1", id = "record", isbn = "978-3-7091-7165-3", doi = "10.1007/978-3-7091-7164-6\_7" }