Open Access
E3S Web of Conferences
Volume 2, 2014
Science and the Future
Article Number 03007
Number of page(s) 5
Section Human Societies
Published online 26 March 2014

© Owned by the authors, published by EDP Sciences, 2014

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This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.