00272nam a2200109Ia 4500008004100000040002500041082001200066100002200078245002400100260003000124300000800154230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a510 C12  aCalderon, Jose F. 0aBasic Mathematics I  bGreat Books Tradingc1994  a302