Media type: E-Article Title: Impact of 17α-ethinylestradiol on the plankton in freshwater microcosms—I: Response of zooplankton and abiotic variables Contributor: Schramm, Karl-Werner; Jaser, Wolfgang; Welzl, Gerhard; Pfister, Gerd; Wöhler-Moorhoff, Gabriele F.; Hense, Burkhard A. Published: Elsevier BV, 2008 Published in: Ecotoxicology and Environmental Safety, 69 (2008) 3, Seite 437-452 Language: English DOI: 10.1016/j.ecoenv.2007.01.015 ISSN: 0147-6513 Origination: Footnote: