00370nam a2200133Ia 4500008004100000041000800041082001700049100001400066245004600080250001200126260005600138650002800194700001400222230711s9999||||xx |||||||||||||| ||und||  aENG  a658.43bSI-C  aSingh R P 0aCommunication system : analog and digital  a1st Ed.  c1995aNew DelhibTata McGraw Hill Education Limited  aElectronics Engineering  aSapre,S D