00345nam a2200109Ia 4500008004100000020001800041040002700059082002500086100002200111245007000133260003200203240809s9999    xx            000 0 und d  a9781260011647  aNORSU-MCIIcNORSU-MCII  aRes/624.152/M86/2019  aRobert L. Schmitt 0aMoving the earth: excavation equipment, methods, safety, and cost  bMcGraw-hill educationc2019