@article{BekkerDuettmannVriesetal.2010,
  author    = {Ren{\´e}e M. Bekker and Heinz D{\"u}ttmann and Yzaak de Vries and Jan P. Bakker and Rainer Buchwald and Hans-J{\"o}rg Brauckmann},
  title     = {30 years of hay meadow succession without fertilization: how does it affect soil and avifauna groups?},
  journal   = {Osnabr{\"u}cker naturwissenschaftliche Mitteilungen : Ver{\"o}ffentlichungen des Naturwissenschaftlichen Vereins Osnabr{\"u}ck},
  volume    = {32},
  pages     = {145 -- 155},
  year      = {2010},
}