00309nam a2200109Ia 4500008004100000040002500041082001200066100004900078245003900127260002500166300000800191230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a512 G11  a Gabuyo, Yonardo A. and Angeline T. Laddaran 0aApplied algebra : Berzen approach   bRex Book Storec2011  a330