Open Access
Review
Issue
Eur. Phys. J. Appl. Phys.
Volume 63, Number 3, September 2013
Article Number 30001
Number of page(s) 17
Section Review Article
DOI https://doi.org/10.1051/epjap/2013130240
Published online 03 September 2013

© The Author(s) 2013

Licence Creative Commons
Open Access This article is distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/2.0 which permits unrestricted use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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