Harr, M. E., & Ng-A-Qui, N. T. (1977). Noncontact nondestructive determination of pavement deflection under moving loads. Dept. of Transportation, Federal Aviation Administration, Systems Research and Development Service.
Chicago Style (17th ed.) CitationHarr, M E., and N T. Ng-A-Qui. Noncontact Nondestructive Determination of Pavement Deflection Under Moving Loads. Washington: Dept. of Transportation, Federal Aviation Administration, Systems Research and Development Service, 1977.
MLA (9th ed.) CitationHarr, M E., and N T. Ng-A-Qui. Noncontact Nondestructive Determination of Pavement Deflection Under Moving Loads. Dept. of Transportation, Federal Aviation Administration, Systems Research and Development Service, 1977.
Warning: These citations may not always be 100% accurate.