1[1]Dennis Morian,P.E.,Scott Gibson and Dr.Jon Epps "STUDY OF MAINTENANCETREATMENTS FORASPHALT PAVEMENTS" 1999
2[2]J.Sorenson,E.Terry,and D.Mathis."Maintaining the customer-driven highway,"public Roads,FHWA,D.C.,November/December 1998
3[3]E.J.Denehy."EXperiences In ImPlementing The Pavement Preventive MaintenanceProgram In The New York State Department of Transportation," TransportationResearch Board,Washington D.C.,1997.