00285nam a2200109Ia 4500008004100000082001600041082000800057245007700065245001200142260001200154300000900166231017s9999    xx            000 0 und d  a363.1251GAR  bGAR 0aSafety Effects of Differential Speed Limits on Rural Interstate Highways 0cUS Dept  bUS Dept  c30cm