Journal of Transportation Technologies
Vol.1 No.3(2011), Paper ID 6479, 4 pages
DOI:10.4236/jtts.2011.13008
Ecological Tunnel for the 21st Century: A New Conception and Methodology
Zixin Zhang, Qinghua Lei, Qiang Xue
Copyright © 2011 Zixin Zhang, Qinghua Lei, Qiang Xue et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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