00321nam a2200121Ia 4500008004100000041000800041082001400049100001600063245002500079250001200104260005500116650002800171230711s9999||||xx |||||||||||||| ||und||  aENG  a621bBE-C  aJones,Edwin 0aDigital transmission  a1st Ed.  c1993aNew YorkbTata McGraw Hill Education Limited  aElectronics Engineering