@misc{indiciaec30d791278db,
  title = {World carbon problem.},
  author = {O Nakayama},
  year = {1977},
  doi = {10.1016/0147-6513(77)90039-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/617091/},
  note = {Source identifier: 617091}
}