00342nam a2200157Ia 4500008004100000020000900041035000900050082001300059100001800072245003100090250000600121260002700127300000800154500000600162650001600168210723s9999||||xx |||||||||||||| ||und||  aNULL  a9339  a510BSAW  aSawyer, W. W. 0aPath To Modern Mathematics  a-  aEnglandbPenguin Books  a223  a0  aMathematics