@misc{indiciaeeb59e6efaba2,
  title = {A circle system without carbon dioxide absorption.},
  author = {H J Ladegaard-Pedersen},
  year = {1978},
  doi = {10.1111/j.1399-6576.1978.tb01302.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/676646/},
  note = {Source identifier: 676646}
}