Duff, M; S Crump, S; Robert02 Ray, R & Donna Beals, D. SOLID PHASE MICROEXTRACTION SAMPLING OF HIGH EXPLOSIVE RESIDUES IN THE PRESENCE OF RADIONUCLIDES AND RADIONUCLIDE SURROGATE METALS, article, April 13, 2007; (https://digital.library.unt.edu/ark:/67531/metadc889308/m1/1/: accessed November 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .