1. Camera Lens Actuation Apparatus, WO/2007/113478.
2. F. Sczerzenie, G. Paul, and C. Belden: J. Mater. Eng. Performance, 2011, vol. 20 (4–5), pp. 752–56.
3. R.I. Stephens, A. Fatemi, R.R. Stephens, and H.O. Fuchs: Met. Fatigue Eng., John Wiley & Sons, Inc., New York, NY, 2001.
4. M. Reinoehl, D. Bradley, R. Bouthot, and J. Proft: SMST 2000 Proc., pp. 397–403.
5. S.W. Robertson and R.O. Richie: JBMR B, 2008, vol. 84B, pp. 26–33.