Bowman, W.W. & MacMurdo, K.W. Data reduction in the 100 mg $sup 252$Cf activation analysis facility at the Savannah River Laboratory, article, January 1, 1975; (https://digital.library.unt.edu/ark:/67531/metadc863161/m1/1/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .