@misc{indiciae526d7a73b69b,
  title = {A case study: Bulgaria.},
  author = {M Haralanova},
  year = {1991},
  doi = {10.1079/pns19910083},
  url = {https://pubmed.ncbi.nlm.nih.gov/1809977/},
  note = {Source identifier: 1809977}
}