1. Copper Development Association, Beryllium Copper, Publication no. 54, 1960.
2. Handbook A.S.M., Properties and Selection: Nonferrous Alloys and Special-purpose Materials, Volume 2, 1990, ASM International, USA.
3. Brush Wellman, Brush alloy 25, Brochure, 1998.
4. Baryshnikov A, Schenato A, Ligrone A, Ferrara P. Optimization of RSC reliability and failure analysis. IACD/SPE 27535;1994:935–45
5. Structural behaviour of drill collar threaded connections under make-up and axial static applied loads;Baragetti,1997