TY - BOOK AU - Jex,Henry R. ED - United States. TI - Significant factors in truck ride quality U1 - 388.1 PY - 1981/// CY - Washington, D.C. PB - The Commission KW - Transportation KW - Highways KW - transportation services N1 - Library has vol.2; Report no. FHWA/RD-81/139; v.2 : Comprehensive report ER -