@phdthesis{PhD-Thesis_2006_Culberson,
  address = {Madison, WI, USA},
  author = {Culberson, Wesley S.},
  school = {University of Wisconsin},
  title = {{Large-angle Ionization Chambers for Brachytherapy Air-kerma-strength Measurements}},
  url = {https://www.proquest.com/docview/304978700/81FBA8FA62A4193PQ/10},
  year = {2006}
}