@phdthesis{Zanker2005,
  author      = {Heidi Zanker},
  title       = {Chemische und {\"o}kologische Studien an Nordseeschw{\"a}mmen},
  type        = {doctoralthesis},
  school      = {Universit{\"a}tsbibliothek Johann Christian Senckenberg},
  year        = {2005},
}