LEADER 01079nam a2200325 i 4500 001 991000826399707536 005 20020507174102.0 008 971209s1991 us ||| | eng 020 $a0471620564 035 $ab10762590-39ule_inst 035 $aLE01302900$9ExL 040 $aDip.to Matematica$beng 082 0 $a621.385 084 $aAMS 94-01 084 $aCR E.4 100 1 $aBellamy, John$0535162 245 10$aDigital telephony /$cJohn Bellamy 250 $a2nd ed 260 $aNew York :$cc1991 300 $axix, 572 p. :$bill. ;$c25 cm. 490 0 $aWiley series in telecommunications 500 $a"A Wiley-Interscience publication." 500 $aIncludes bibliographical references and index. 650 4$aDigital telephone systems 907 $a.b10762590$b23-02-17$c28-06-02 912 $a991000826399707536 945 $aLE013 94-XX BEL11 (1991)$g1$i2013000091938$lle013$o-$pE0.00$q-$rl$s- $t0$u0$v0$w0$x0$y.i10858027$z28-06-02 996 $aDigital telephony$942689 997 $aUNISALENTO 998 $ale013$b01-01-97$cm$da $e-$feng$gus $h0$i1