@misc{indiciaebc7f643cd760,
  title = {Geology and Indoor Radon in Schools of the Palos Verdes Peninsula Unified School District, Palos Verdes Peninsula, California},
  author = {Joseph S. Duval and Lauren E. Fukumoto and Joseph M. Fukumoto and Stephen L. Snyder},
  year = {2004},
  doi = {10.3133/ofr20041050},
  url = {https://pubs.usgs.gov/publication/ofr20041050},
  note = {Source identifier: ofr20041050}
}