00305nam a2200109Ia 4500008004100000082001200041082000800053245010900061245000800170260000800178300000900186231017s9999    xx            000 0 und d  a388.312  bSCH 0aTransportation Research Circular No. E-121: Information Assets to Support Transportation Decision Making 0cTRB  bTRB  c30cm