@phdthesis{PhD-Thesis_2000_Keillor,
  address = {Corvallis, OR, USA},
  author = {Keillor, Martin E.},
  month = {September},
  school = {Oregon State University},
  title = {{Principal Component Analysis of Low Resolution Energy Spectra to Identify Gamma Sources in Moving Vehicle Traffic}},
  url = {https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/rn301484d},
  year = {2000}
}