@misc{indiciae504d991d9b3a,
  title = {Environmental protection and its trends in developing countries.},
  author = {V Bencko and V Serý and W Sixl and E Marth},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2634070/},
  note = {Source identifier: 2634070}
}