@misc{indiciaeeb899d8ea3fa,
  title = {Collecting, preparing, crossdating, and measuring tree increment cores},
  author = {R.L. Phipps},
  year = {1985},
  doi = {10.3133/wri854148},
  url = {https://pubs.usgs.gov/publication/wri854148},
  note = {Source identifier: wri854148}
}