7Larry Galehouse, Helen King, David R Leach, et al.Preventive Maintenance Treatment Performance at 14 Years. Transportation research record: Journal of transportation research board[C]. TRB, National Re- search Council, Washington, D. C. , 2005.
9Kelly L Smith, A Russell Romine. Materials and Pro- cedures for Sealing and Filling Cracks in Asphah- Surfaced Pavements[R]. FHWA- RD- 99 - 147. FHWA, U.S. Department of Transportation, McLean, Virginia, 1999.
10Kelly L Smith, A Russell Romine. Innovative Materi- als Development and Testing Volume 3:Treatment of Cracks in Asphalt Concrete-Surfaced Pavements[R]. SHRP- H-354, 1993.