00469nam a2200157Ia 4500008004100000020001800041082001800059100002200077245005000099250000800149260007000157300002300227500001900250600002700269650001500296240925s9999    xx            000 0 und d  a9789353166809  a621.38413 FRE  aFrenzel, Louis E. 0aPrinciples of electronic communication system  a4th  aNew Delhi:bMcGraw Hill Education (India) Private Limitedc,2016.  a231p.b0fOriginal  aIncludes Index  aElectronic Engineering  aTechnology