Reference

Nicole Haag, Raquel Billiones, Steven A. J. DeClerck, Maarten Boersma, Bruno Streit, Klaus Schwenk (2003): Biodiversity and community structure across trophic levels: phytoplankton - zooplankton interactions – Palmarum Hortus Francofortensis - Wissenschaftliche Berichte – 7_2003: 161.