00311nam a2200109Ia 450000500170000000800410001708200160005810000200007424500560009426000430015030000080019320260224041033.0260224s9999||||xx |||||||||||||| ||und||  a620.112 DAV  aHarmer E. Davis 4aThe testing and inspection of engineering materials  aNew York, Mc-Graw-Hill Book Co. c1955  a431