<strong>Bearden, J.B. and Labuz, J.F. (1998).</strong> “Fabric for reinforced and separation in unpaved roads.” University of Minnesota, Minnesota Department of Transportation Office of Research Services, Minnesota. Retrieved November 21, 2009, from <a href="http://www.lrrb.org/PDF/199904.pdf.">http://www.lrrb.org/PDF/199904.pdf…;