@misc{indiciaef9a3978faf72,
  title = {A modified three-stage data envelopment analysis. The Netherlands.},
  author = {Jos L T Blank and Vivian Valdmanis},
  year = {2005},
  doi = {10.1007/s10198-004-0260-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/15714339/},
  note = {Source identifier: 15714339}
}