00270nam a22000977a 4500082001600000100002200016245008200038250000600120260003800126300000800164  a540.151/BEN  aBENSON, SIDNEY W.  aCHEMICAL CALCULATIONS: AN INTRODUCTION TO THE USE OF MATHEMATICS IN CHEMISTRY  a1  aNEW YORKbJOHN WILEY & SONSc1959  a217