@phdthesis{Boecker2015,
  author    = {Michael Boecker},
  title     = {Erfolg in der sozialen Arbeit},
  publisher = {Springer VS},
  address   = {Wiesbaden},
  isbn      = {978-3-658-07346-6},
  pages     = {267},
  year      = {2015},
  language  = {de}
}