Birgit Wirsing

The pesticide registration process within the European Union including the legal framework and decision making procedures

Birgit Wirsing, Jan M. von Kietzell, Hartmut Kula, 2000 .

Microcystins (hepatotoxic heptapeptides) in german fresh water bodies

Jürgen Weckesser, Birgit Wirsing, Ingrid Chorus, 1999 .