00258nam a2200109Ia 4500008004100000041000800041082002000049100001600069245004600085260000900131300000800140211209s1962    xx            000 0 und d  aeng  a512.943 N62 FRA  aFRANK AYRES  aSCHAUM'S THEORY AND PROBLEMS OF METRICES   c1962  a220