@unpublished{GrimmThorbek2014,
  author  = {Volker Grimm and Pernille Thorbek},
  title   = {Population models for ecological risk assessment of chemicals: Short introduction and summary of a special issue},
  institution = {Institut f{\"u}r Biochemie und Biologie},
  pages     = {4},
  year    = {2014},
}