@phdthesis{PhD-Thesis_1999_Lu,
  address = {Blacksburg, VA, USA},
  author = {Lu, Qiang},
  month = {August},
  school = {Virginia Polytechnic Institute and State University},
  title = {{The Utility of X-Ray Dual-Energy Transmission and Scatter Technologies for Illicit Material Detection}},
  url = {http://hdl.handle.net/10919/28565},
  year = {1999}
}