00424nam a2200145Ia 4500008004100000082001000041082000800051245002700059245003300086260003300119300000900152942000800161999001900169952009000188231017s9999    xx            000 0 und d  a388.1  bCOM 0aCompleting the Big Dig 4cThe National Academies Press  bThe National Academies Press  c30cm  cREP  c605281d605281  00104070aNITbNITd2023-10-17l0o388.1 COMpNIT-6567r2023-10-17w2023-10-17yREP