Evaluation of the Use and Effectiveness of Wildlife Crossings
National Cooperative Highway Research Program, Transportation Research Board, National Research Council, National Academy of Science
Bissonette, J. A., and P. C. Cramer. 2008. Evaluation of the use and effectiveness of wildlife crossings. NCHRP Report 615, Transportation Research Board, National Research Council, National Academy of Science, 161 pages. URL: http://www.trb.org/news/blurb_detail.asp?id=9369.
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