TY  - RPRT
TI  - Cows, ground surface potentials and earth resistivity.
AU  - C Polk
PY  - 2001
DO  - 10.1002/1521-186x(200101)22:1<7::aid-bem2>3.0.co;2-i
UR  - https://pubmed.ncbi.nlm.nih.gov/11122489/
ID  - 11122489
ER  -