00275nam a2200109Ia 4500008004100000040002500041082001700066100002000083245001700103260003700120300000800157230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a 340.245 F76  aForesman, Scott 0aLife Science  bScott Foresman and Companyc1987  a506