00299nam a2200109Ia 450000500170000000800410001708200150005810000190007324500420009226000470013430000080018120260225051031.0260224s9999||||xx |||||||||||||| ||und||  a551.49 GAL  aJ.F.W. Galyer  0aMetrology for engineers  4th edition   aIslamabad: National Book Foundation c1980  a243