@inbook{martens_schön_meisch_horne, 
  title={Global diversity of ostracods (Ostracoda, Crustacea) in freshwater}, 
  DOI={10.1007/978-1-4020-8259-7_20}, 
  publisher={Springer Netherlands}, 
  author={Martens and Schön and Meisch and Horne}
  }