Open Access
Issue
Eur. Phys. J. Appl. Phys.
Volume 82, Number 3, June 2018
Article Number 31401
Number of page(s) 4
Section Review Article
DOI https://doi.org/10.1051/epjap/2018180201
Published online 10 October 2018

© A. Razek, published by EDP Sciences, 2018

Licence Creative Commons
This article is distributed under the terms of the Creative Commons Attribution License https://creativecommons.org/licenses/by/4.0 which permits unrestricted use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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