@article{RusinaKiehl2014,
  author    = {Solvita Rusina and Kathrin Kiehl},
  title     = {Long-term changes in species diversity in abandoned calcareous grasslands in Latvia},
  journal   = {Tuexenia : Mitteilungen der Floristisch-Soziologischen Arbeitsgemeinschaft},
  volume    = {30},
  pages     = {467 -- 486},
  year      = {2014},
}