00362nam a2200109Ia 4500008004100000082001200041082000800053245013200061245002500193260002500218300000900243231017s9999    xx            000 0 und d  a388.312  bCOT 0aVirginia Transportation Research Council Research Report Evaluation of Retro Reflective Material on Stop Sign Posts in Virginia 0cBenjamin H. Cottrell  bBenjamin H. Cottrell  c30cm