Lanthanide Boride Systems and Properties. Part I. Lanthanide-Boron-Carbon Systems. Part 2. Vaporization and Stabilities of Lanthanide Borides, thesis or dissertation, May 1, 1964; (https://digital.library.unt.edu/ark:/67531/metadc866593/m1/1/: accessed April 22, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .