1. H. E. Peterson, J. S. MacDuff and M. W. Hovey: Isolation and Colorimetrie Determination of Rhenium, USBM Rept. of Inv. 5889, 1961, 32 pp.
2. A. D. Melaven: Rhenium, Rare Metals Handbook, ed. by Clifford A. Hampel, Reinhold Pub. Co., New York, 1954, pp. 347–364.
3. R. H. Blom, Valeria Kollonitsch and C. H. Kline: Rhenium Catalysts, Ind. Eng. Chem., vol. 54, April 1962, pp. 16–22.
4. Chase Rhenium and Rhenium Alloys, brochure of Chase Brass and Copper Co., Inc., Waterbury, Conn., Nov. 1961, 11 pp.
5. National Academy of Sciences: report of the Raw Materials Group, panel on rhenium, National Research Council, Washington, D.C., Rept. MAB-154-M(1), vol. II, Oct. 15, 1959, pp. 259–82.