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Open access peer-reviewed chapter
By Gevorg Tepanosyan, Lilit Sahakyan, David Pipoyan and Armen Saghatelyan
Submitted: April 18th 2017Reviewed: September 4th 2017Published: February 28th 2018
© 2018 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution 3.0 License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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