1. J. B. Duran and R. E. Fisher, “Cathodic Vacuum Etching of Uranium Alloys”, Microstructures, October-November 1971.
2. Jurgen Rexer and Margrit Vogel, “Experience with the NUMEC Vacuum Cathodic Etching Apparatus for Ion Etching”, Praktische Metallographie, July 1966.
3. F.M. Cain, Jr., “A Simplified Procedure for the Metallography of Zirconium and Hafnium and their Alloys”, Zirconium and Zirconium Alloys, Am. Soc. Metals, 1953.
4. J.F.R. Ambler, “Attack Polishing of Metals and Ceramics”, IMS Proceedings, 1970-1971.
5. F.M. Cain, Jr., “Simplified Metallographic Techniques for Nuclear Reactor Materials”, Symposium on Methods of Metallographic Specimen Preparation, ASTM 1960.