@misc{indiciae59b08edbf836,
  title = {Analog-frequency converter for small currents.},
  author = {V T Vvedenskii and I K Tabarovskii},
  doi = {10.1007/bf00562488},
  url = {https://pubmed.ncbi.nlm.nih.gov/5760741/},
  note = {Source identifier: 5760741}
}