00293nam a2200109Ia 4500082002200000100005700022245004500079260003400124300001500158500000500173700000500178  a658.568bAm512.MQ  aAmerican Society for Testing Materials, Philadelphia  aManual on quality control of materialsb  aPhiladelphiabThe Auth.c1951  axii, 134p.  a  a