@misc{indiciae20717dbeddaf,
  title = {Cows, ground surface potentials and earth resistivity.},
  author = {C Polk},
  year = {2001},
  doi = {10.1002/1521-186x(200101)22:1<7::aid-bem2>3.0.co;2-i},
  url = {https://pubmed.ncbi.nlm.nih.gov/11122489/},
  note = {Source identifier: 11122489}
}