@book{UBHD-9424506,
  author={Song, Yigang},
  title={The biogeochemical cycling of nutrients and heavy metals in anoxic freshwater sediments},
  subtitle={the Neckar River and its tributaries, Germany},
  year={1994},
  pages={135 Bl.},
  language={eng},
  school={Heidelberg, Univ., Diss., 1994},
  library={UB [Signatur: 94 U 714]},
}
@article{UBHD-69009102,
  author={Song, Yigang and M{\"u}ller, German},
  title={Biogeochemical cycling of nutrients and trace metals in anoxic freshwater sediments of the Neckar River, Germany},
  year={1995},
  pages={237-243},
  language={eng},
  issn={1323-1650},
  volume={46},
  number={1},
  note={Gesehen am 23.01.2023},
  journal={Marine and freshwater research},
  doi={10.1071/mf9950237},
}
@article{UBHD-69046400,
  author={Song, Yigang and M{\"u}ller, German},
  title={Freshwater sediments},
  subtitle={sinks and sources of bromine},
  year={1993},
  pages={558-560},
  language={eng},
  issn={1432-1904},
  volume={80},
  number={12},
  note={Gesehen am 01.03.2023},
  journal={The Science of nature},
  doi={10.1007/BF01149270},
}