Transportation Research Board of the National Academies
2008-
Transportation research record
no. 2080, 2128, 2192, 2259, 2311, 2355-2356, 2438-2439, 2487-2488, 2557-2558, 2619-2620, v. 2672 (issue 18)
[2008] , 2009 , 2010 , 2011 , 2012 , 2013, v. 1 , 2013, v. 2 , 2014, v. 1 , 2014, v. 2 , [2015], v. 1 , [2015], v. 2 , [2016], v. 1 , [2016], v. 2 , [2017], v. 1 , [2017], v. 2 , 2018
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