@unpublished{GrossartRiemannTang2013,
  author  = {Hans-Peter Grossart and Lasse Riemann and Kam W. Tang},
  title   = {Molecular and functional ecology of aquatic microbial symbionts},
  institution = {Institut f{\"u}r Biochemie und Biologie},
  pages     = {2},
  year    = {2013},
}