000 00322nam a2200145Ia 4500
100 _aHughes /Larry
942 _cBK
654 _adata communications
245 _aIntrod. to Data Communications
260 _bNarosa Pub House
_aBombay
_c1997
082 _a4.6
_bHUG
300 _a502
546 _aENGLISH
999 _c26879
_d26879