@phdthesis{PhD-Thesis_2009_Shannon,
  address = {Atlanta, GA, USA},
  author = {Shannon, Michael Paul},
  month = {August},
  school = {Georgia Institute of Technology},
  title = {{The Dosimetry of a Highly-collimated Bremsstrahlung Source in Air}},
  url = {http://hdl.handle.net/1853/34819},
  year = {2009}
}