@misc{indiciae59424bf945ef,
  title = {An ammonia-sensing air gap microelectrode.},
  author = {Y L Ma and L Cleemann},
  year = {1988},
  doi = {10.1016/0003-2697(88)90071-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/3239765/},
  note = {Source identifier: 3239765}
}