@article{LinBergerGrimmetal.2012,
  author    = {Yue Lin and Uta Berger and Volker Grimm and Qian-Ru Ji},
  title     = {Differences between symmetric and asymmetric facilitation matter - exploring the interplay between modes of positive and negative plant interactions},
  journal   = {The journal of ecology},
  volume    = {100},
  number    = {6},
  pages     = {1482 -- 1491},
  doi       = {10.1111/j.1365-2745.2012.02019.x},
  year      = {2012},
}