00270nam a2200109Ia 4500008004100000040002500041082001400066100002700080245003600107260000900143300000800152230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a510 R6962  aRodriguez, Mary Joy J. 0aMathematics in the Modern World  c2018  a319