@mastersthesis{MS-Thesis_1994_Puffer,
  address = {Cambridge, MA, USA},
  author = {Puffer, Donald B.},
  month = {August},
  school = {Massachusetts Institute of Technology},
  title = {{Moderator Design for Accelerator Based Neutron Radiography and Tomography Systems}},
  url = {http://hdl.handle.net/1721.1/37528},
  year = {1994}
}