00283nam a2200109Ia 4500008004100000082001100041082000800052245008000060245001200140260001200152300000900164231017s9999    xx            000 0 und d  a624.15  bSAB 0aGeotechnical Engineering Circular No.4: Ground Anchors and Anchored Systems 0cUS Dept  bUS Dept  c30cm