@article{HoffmannWilbertLehoferetal.2020,
  author    = {Lisa Hoffmann and J{\"u}rgen Wilbert and Mike Lehofer and Susanne Schwab},
  title     = {Are we good friends?},
  journal   = {European Journal of Special Needs Education},
  series    = {Friendship preferences and the quantity and quality of mutual friendships},
  volume    = {36},
  number    = {4},
  year      = {2020},
}