00256nam a2200109Ia 4500008004100000041001200041082001100053100001900064245005100083260000600134650000600140221030s9999    xx            000 0 und d  aEnglish  a105.23  aE. S. Brumfiel 0aIntroduction To Mathematicscby E. S. Brumfiel  c0  aB