00498nam a2200169 a 4500008004100000020001500041050001600056100001900072245005700091260003800148300002200186350000900208490005500217500001700272650000900289650003000298080109s1987    ||||||||||||||||| ||    u  a0675203686  aQ 183.9 Den  aDeNoia, Lynn A10aData communication : fundamentals and applications /  aColumbus :bMerrill Pub. Coc1987  axii, 248p. : ill.  a0.00  aThe Merrill series in computer information systems  aBibliography  aDATA  aDATA TRANSMISSION SYSTEMS