1. Principles of zone-melting;Pfann;Trans. AIME,1952
2. Zone Melting;Pfann,1964
3. Analysis of molten-zone refining;Lord;Trans. AIME,1953
4. Mathematical methods for zone-melting processes;Reiss;Trans. AIME,1964
5. On zone refining;Birman;J. Appl. Phys.,1953