1. J.W. Jensen and J.A. Rowland, Jr.:Product Eng., 1956, May, pp. 135-37.
2. J.W. Jensen and D.F. Walsh:Manganese-Copper Damping Alloys, U.S. Department of the Interior, Bureau of Mines, Washington, DC, 1965, Bulletin 624.
3. L. McD. Schetky and J. Perkins:Machine Design, 1978, vol. 50 (8), pp. 202–06.
4. D. Birchon, D.E. Bromley, and D. Healy:Met. Sci. J., 1968, vol. 2, pp. 41–46.
5. J.A. Hedley:Met. Sci. J., 1968, vol. 2, pp. 129–37.