@misc{indiciae99bf87bd67a4,
  title = {Enzyme biosensor for urea based on a novel pH bulk optode membrane.},
  author = {R Koncki and G J Mohr and O S Wolfbeis},
  year = {1995},
  doi = {10.1016/0956-5663(95)96955-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7576433/},
  note = {Source identifier: 7576433}
}