00498nam a2200205Ia 4500008004100000020001700041050002000058050001800078100002100096245002900117245002100146250001600167260001500183260001700198260000900215300001700224300002000241300001100261500002000272160621s9999    xx            000 0 und d  a007-124317-8  aComSc TK 5103.7  b.P76 2001 c.3  aProakis, John G.  aDigital communications /  cJohn G. Proakis.  a4th Edition  aNew York :  bMcGraw-Hill,  c2004  a1002 pages :  billustrations ;  c21 cm.  aIncludes index.