@article{applicationofgreynumberstoassessment,
  title = {Application of Grey Numbers to Assessment Processes},
  author = {Michael Gr. Voskoglou and Yiannis Theodorou},
  year = {2018},
  eprint = {1804.00423},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1804.00423v1},
}