@misc{indiciae69d9f53a2cbd,
  title = {A multiple-objective optimal exploration strategy},
  author = {G. Christakos and Ricardo A. Olea},
  year = {1988},
  doi = {10.1016/0895-7177(88)90525-0},
  url = {https://pubs.usgs.gov/publication/70014441},
  note = {Source identifier: 70014441}
}