5. HASLINGER, J., NEITTAANMAKI, P., 1997. <em>Finite Element Approximation for Optimal Shape, Material and Topology Design.</em> 2nd edition. Chichester: John Wiley and Sons.
8. KOBLAR, D., BOLTEŽAR, M., 2013. <em>Evaluation of the frequency-dependent Young's modulus and damping factor of rubber from experiment and their implementation in a finite-element analysis.</em> Experimental Techniques. [online]. [11-11-2013]. DOI: <a href="https://doi.org/10.1111/ext.12066" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1111/ext.12066</a><dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1007/s40799-016-0027-7" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1007/s40799-016-0027-7</a></dgdoi:pub-id>