TY - BOOK ED - T.R.B.N.R.C Washington TI - Trasnportation research record No.1149: Visiblity for highway guidance and hazard detection, U1 - 625.794 PY - 1987/// CY - USA PB - Transportation Research Board National Research Council KW - MCE N1 - 0; 0; 0; 625_794000000000000_VIS ER -