@misc{indiciae31bee7d94629,
  title = {[Cooling-heating equipment--model I].},
  author = {D I Dimitrov and Ia A Martinov and Z Boianov and B I Nikolov},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1221224/},
  note = {Source identifier: 1221224}
}