Rudder, F. F. User's manual : FHWA level 2 highway traffic noise predication model / F. F. Rudder, D. F. Lam and P. Chueng - Washington, D.C. : U.S. Government Printing Office, 1979 - Various pagings ; 29 cm. Subjects--Topical Terms: Highway engineeringTraffic engineering Dewey Class. No.: 625.7