00292nam a2200109Ia 4500008004100000040002500041082001400066100002800080245005700108260000900165300000800174230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a510 B1971  aBaltazar, Ethel Cecille 0aMathematics in the Modern World ( General Education)  c2018  a270