@misc{indiciae89df1c85a1ce,
  title = {Ampere-hour monitor for the electrochemical exploration technique},
  author = {Thomas P. Grover},
  year = {1989},
  doi = {10.3133/ofr89356},
  url = {https://pubs.usgs.gov/publication/ofr89356},
  note = {Source identifier: ofr89356}
}