@phdthesis{Spijkerman2008,
  author    = {Spijkerman, Elly},
  title     = {Ecophysiological studies on planktonic desmids and an acidophilic Chlamydomonas species},
  address   = {Potsdam},
  pages     = {l.o.},
  year      = {2008},
  language  = {en}
}