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035 _a15547
020 _a131974351
040 _aGR-AtMCL
_bgre
_dGR-AtMCL
_eAACR2
245 1 _aData Communications and Teleprocessing Systems / Second Edition
250 _a2nd
260 _bPrentice Hall International,
_c1987
300 _a478
520 _aHardware and Networks, Protocols and Architectures, Common Carrier Networks, Planning and Management, Queuing and Statistical Calculations, Index.
700 1 _aHousley Trevor
_91503
942 _cBK
999 _c1121
_d1121