00381nam a2200133Ia 4500008004100000082001400041100001800055245005900073260006100132300000800193650001600201650001800217653001200235170901s1960    xx            000 0 und d  a512bR43S  aRich, Barnett 0aSchaum's Principles and Problems of Elementary Algebra  aMcGraw-Hill Book CompanybMcGraw-Hill Book Companyc1960  a295  aMathematics  aPure Sciences  aAlgebra