00336nam a2200121 a 4500008004100000020001500041050001600056100001900072245006500091260002600156300002300182350000900205120416s0000    ||||||||||||||||| ||    u  a0852968043  aTK 5105 Dat  aBrewster, R. L10aData communications and networks 3cedited by R. L. Brewster  aLondonbThe IEEc1994  axiii, 237p. : ill.  a0.00