@article{LasarBuchholz2012,
  author    = {Andreas Lasar and Gabriele Buchholz},
  title     = {Wirkungsmessung in NPO durch den Social Return on Investment (SROI)},
  series   = {Jahrbuch f{\"u}r Management in Nonprofit-Organisationen},
  isbn      = {9783643116444},
  pages     = {25 -- 48},
  year      = {2012},
  language  = {de}
}