About this article
Published Online: Sep 23, 2015
Page range: 194 - 197
DOI: https://doi.org/10.1515/aucts-2015-0052
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© Ungureanu Nicolae Stelian et al.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Nicolae Stelian Ungureanu
Faculty of Engineering, Department of Engineering and Management of Technology, Technical University of Cluj Napoca, North University Center of Baia Mare, Baia Mare, Romania
Dinu Daraba
Faculty of Engineering, Department of Engineering and Management of Technology, Technical University of Cluj Napoca, North University Center of Baia Mare, Baia Mare, Romania
Roland Iosif Moraru
Department of Mining Engineering, Surveying and Civil Engineering, Faculty of Mining Engineering, University of Petrosani, Petrosani, Romania