| 1 | “Engineering Analysis of Smart Material Systems”, Donald J. Leo, Wiley, 2007 |
| 2 | “Smart Structures: Analysis and Design”, A.V. Srinivasan, D. M. McFarland, Cambridge, 2001 |
| 3 | "Surface Engineering Practice", K.N. Straafford, P.K. Datta, J.S. Grag, Ellis Horwood, 1990 |