TY - BOOK ED - National Research Council (U.S.). TI - Testing, evaluation, and upgrading of safety appurtenances U1 - 625.795 PY - 1982/// CY - Washington, D.C. PB - National Academy of Sciences KW - MCE KW - Roads KW - Safety measures N1 - Reports prepared for the 61st annual meeting of the Transportation Research Board; 0; 0; 0; 625_795000000000000_NAT ER -