@misc{indiciae70337ee4815e,
  title = {Valley oak long-term monitoring handbook. Report to the Superintendent, Santa Monica Mountains National Recreation Area},
  author = {K.C. Danielsen and W. L. Halvorson},
  year = {1988},
  url = {https://pubs.usgs.gov/publication/96315},
  note = {Source identifier: 96315}
}