Stordeur, R.T. & Glissmeyer, J.A., Fluor Daniel Hanford. Unabated emission source term estimate for the 340-NX stack, report, March 19, 1997; (https://digital.library.unt.edu/ark:/67531/metadc677141/m1/1/: accessed November 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .