@phdthesis{PhD-Thesis_2014_Gilbert,
  address = {Austin, TX, USA},
  author = {Gilbert, Andrew James},
  doi = {10.15781/T2KP7TX2W},
  month = {December},
  school = {University of Texas},
  title = {{Noninvasive Material Discrimination Using Spectral Radiography and an Inverse Problem Approach}},
  url = {http://hdl.handle.net/2152/46534},
  year = {2014}
}