Meacham, J.E.; Cash, R.J. & Dukelow, G.T. Quarterly report on the ferrocyanide safety program for the period ending December 31, 1994, report, January 1, 1995; (https://digital.library.unt.edu/ark:/67531/metadc692188/m1/1/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .