@misc{indiciaec02362a2df09,
  title = {Practical experience in the usage of a pH electrode.},
  author = {W Lichtenegger},
  year = {1978},
  doi = {10.1007/bf02116734},
  url = {https://pubmed.ncbi.nlm.nih.gov/33602/},
  note = {Source identifier: 33602}
}