00333nam a2200121 a 4500008004100000020001500041050001600056100002200072245004500094260004000139300002300179350000900202120416s0000    ||||||||||||||||| ||    u  a0471063029  aTK 5101 Sha  aShanmugam, K. Sam10aDigital and analog communication systems  aNew YorkbJohn Wiley and Sonsc1979  axviii, 600p. : ill  a0.00