4YUSUF MEHTA. Evaluation of the Road Surface Profiler and the Transverse Profile graph for Determination of Rut Depth Measurements [R].Washington D C: Submitted for presentation and subsequent publication to the Transportation Research Board, National Research Council, 2001.
6AASHTO Lead States Team on Pavement Preservation. Pavement Preservation in the United States[R]. Washington: 2001. 1-9.
7FHWA International Scanning Study Team. Pavement Preservation Technology in France, South Africa, and Australia (FHWA- PL-03-O01) [R]. Washington: 2002. 1-30.
8AASHTO Lead States Team on Pavement Preservation. Research Protocols for Pavement Preservation AASHTO Lead States' Work Plan[R]. Washington: 1999. 1-2.
9Robert M. Davies & Jim Sorenson. Pavement Preservation: Preserving Our Investment in Highways [A]. Insight into Pavement Preservation a Compendium [C]. Washington: 2000.5-11.
10R. Gary Hicks, Stephen B. Seeds, David G. Peshkin. Selecting a Preventive Maintenance Treatment for Flexible Pavement [R]. Washington: Foundation for Pavement Preservation, 2000.2-5.
