00270nam a2200109Ia 4500008004100000040002500041082001400066100001900080245004300099260000900142300000900151230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a515 St491  aStewart, James 0aCalculus, International Metric Version  c2018  aA145