00271nam a2200097Ia 4500008004100000040002500041082001200066100001700078245003500095260004300130240215s9999 xx 000 0 und d aNORSU-DumcNORSU-Dum a510/B33 aBaxter, W.H. 0aMathematics for a Modern World bGage Educational Publishing Ltd.c1975