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Available online at www.sciencedirect.com
ScienceDirect Procedia Technology 19 (2015) 874 – 879
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2212-0173 © 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer-review under responsibility of “Petru Maior” University of Tirgu Mures, Faculty of Engineering doi:10.1016/j.protcy.2015.02.125
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