000 00444nam a2200145Ia 4500
008 211013s9999 xx 000 0 und d
082 _a004.6
_bSHE
100 _aBy Shelly, Gary B.
_93862
245 0 _aBusiness data communications: introductory concepts and techniques
250 _a3rd
260 _c2001
_bThomson
_aNew Delhi
300 _a15.13p.
650 _aData communications Communications media servers and clients
_93863
942 _cBK
999 _c2511
_d2511