@misc{indiciaee763c00ff6ee,
  title = {Empirical methods for detecting regional trends and other spatial expressions in antrim shale gas productivity, with implications for improving resource projections using local nonparametric estimation techniques},
  author = {Timothy C. Coburn and Philip A. Freeman and Emil D. Attanasi},
  year = {2011},
  doi = {10.1007/s11053-011-9165-x},
  url = {https://pubs.usgs.gov/publication/70032688},
  note = {Source identifier: 70032688}
}