00522    a2200169   4500010001400000020002600014035001300040037001600053082001200069100002200081245007500103250002900178260005000207270004600257300003000303500001900333  aENG-89145  a9780070667556c395.00  aEN-72678  bDBAD /  PUB  a621.382  aFrenzel, Louis E.  aPrinciples of electronic communication systems  /cby Louis E. Frenzel  a3rd ed.(spl. Indian ed.)  aNew  DelhibTata McGraw-Hill Publishingc2008  a7, West Patel Nagar,bNew  Delhie110 008  aviii, 885p.c23cm  (pbk )  aIncludes index