@phdthesis{PhD-Thesis_2008_Speiser,
  address = {Los Angeles, CA, USA},
  author = {Speiser, Michael Paul},
  school = {University of California},
  title = {{Development and Validation of a Virtual Monte Carlo Radiotherapy Source: Model and Characterization of the Influence of Heterogeneities on Dose Calculation Accuracy}},
  url = {https://www.proquest.com/docview/304660873/A01F35D61645425EPQ/41},
  year = {2008}
}