@unpublished{WalzAdrianGilbertetal.2011,
  author    = {Walz, Norbert and Adrian, Rita and Gilbert, John J. and Monaghan, Michael T. and Weithoff, Guntram and Zimmermann-Timm, Heike},
  title     = {Preface},
  series = {Hydrobiologia : acta hydrobiologica, hydrographica, limnologica et protistologica},
  volume    = {662},
  journal   = {Hydrobiologia : acta hydrobiologica, hydrographica, limnologica et protistologica},
  number    = {1},
  publisher = {Springer},
  address   = {Dordrecht},
  issn      = {0018-8158},
  doi       = {10.1007/s10750-010-0514-2},
  pages     = {1 -- 4},
  year      = {2011},
  language  = {en}
}