Free access
Issue
Eur. Phys. J. Appl. Phys.
Volume 49, Number 2, February 2010
Article Number 20101
Number of page(s) 24
Section Review Article
DOI http://dx.doi.org/10.1051/epjap/2009211
Published online 26 January 2010

© EDP Sciences, 2009

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