1. Martínez-García, A. 1999. Alicante, Spain: PhD Doctoral Thesis. University of Alicante.
2. Cepeda-Jiménez, C. M. 2001. Alicante, Spain: PhD Doctoral Thesis. University of Alicante.
3. Symes, T. E. F. and Oldfield, D. 1991.Treatise on Adhesion and Adhesives, Edited by: inford, D. J. M. Vol. 7, 231–331. New York, NY: Marcel Dekker.
4. SEM Study of a Cyclized Rubber Surface