00303nam a2200121Ia 4500008004000000041000800040082001200048100001800060245002800078260004300106650001500149650001700164210210b1951 xxu||||| |||| 00| 0 eng d aeng a519/100 aSTEINHANS (H) aMathematical sanapshots aLondonbOxford University Pressc1951 asanapshots aMathematical