1. RL Ayres, Basics of Polyethylene Manufacture Structure and Properties, American Gas Association Distribution Conference Anaheim, C.A (1981).
2. Chapter 19 in Handbook on Experimental Mechanics;Daniel,1987
3. Measurement Systems - Aplication and design;Doebelin,1990
4. A Comparison of Three Popular Test Methods for Determining the Shear Modulus of Composite Materials;Ho;Composites Engineering, New Orleans,1993
5. C. Itu, A. Öchsner, S. Vlase, MI, Improved rigidity of composite circular plates through radial ribs. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications. doi.org/10.1177/1464420718768049, online: April 16, (2018)