1. E. O. MÜLLER and W. JAKOBEIT, “Molybdän-ein Schaufelwerkstoff für Helium-Reaktor-Gasturbinen? BBC-Nachrichten No. 7, p. 392, Brown Boveri and Company Ltd. (1969).
2. G. RAULE and R. BAUER, “Properties of Materials for the High-Temperature Helium Turbine Under Mechanical and Thermal Loading,” Proc. Specialists’ Mtg. High-Temperature Metallic Materials for Application in Gas-Cooled Reactors, OEFZS Report No. 4086, p. 01, Österreichisches Forschungszentrum Seibersdorf, Vienna (1981).