Procedia Technology 12 ( 2014 ) 681 – 686

2212-0173 © 2013 The Authors. Published by Elsevier Ltd.Selection and peer-review under responsibility of the Petru Maior University of Tirgu Mures.doi: 10.1016/j.protcy.2013.12.549

ScienceDirectAvailable online at www.sciencedirect.com

© 2013 The Authors. Published by Elsevier Ltd.Selection and peer-review under responsibility of the Petru Maior University of Tirgu Mures.

682 Lucian Ioan Dulău et al. / Procedia Technology 12 ( 2014 ) 681 – 686

683 Lucian Ioan Dulău et al. / Procedia Technology 12 ( 2014 ) 681 – 686

684 Lucian Ioan Dulău et al. / Procedia Technology 12 ( 2014 ) 681 – 686

685 Lucian Ioan Dulău et al. / Procedia Technology 12 ( 2014 ) 681 – 686

686 Lucian Ioan Dulău et al. / Procedia Technology 12 ( 2014 ) 681 – 686