@misc{indiciae86ee98831407,
  title = {Anode and Cathode Sparks Differentiated by the Mucronate Electrode.},
  author = {C Barus},
  year = {1928},
  doi = {10.1073/pnas.14.3.248},
  url = {https://pubmed.ncbi.nlm.nih.gov/16587326/},
  note = {Source identifier: 16587326}
}