00419nam a2200169Ia 4500008004100000020001500041082001700056100001700073245004100090250000600131260004000137300000800177650001600185650001800201653001400219653001600233170901s1980    xx            000 0 und d  a0471080861  a510.77bA81B  aAshley, Ruth 0aBackground Math for a Computer World  a2  aNew YorkbJohn Wiley and Sonsc1980  a308  aMathematics  aPure Sciences  aComputers  aMathematics