00254nam a2200109Ia 4500008004100000040002500041082001200066100002300078245002600101260000900127300000800136230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a510 P88  aPrabhakaran , A.P. 0aGolden Mathematics XI  c2018  a531