Roth, H.P. (comp.). TECHNICAL PAPERS OF THE FOURTEENTH METALLOGRAPHIC GROUP MEETING, HELD APRIL 5-6, 1960 AT NUCLEAR METALS, INC., WEST CONCORD, MASSACHUSETTS, report, January 1, 1964; (https://digital.library.unt.edu/ark:/67531/metadc1035851/m1/1/: accessed November 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .