000 00301nam a2200121Ia 4500
008 220201s1996 xx 000 0 eng d
082 _a5.71
_bGUP
100 _aGupta, Prakash C
245 0 _aData communications
260 _bPrentice Hall of India
_aNew Delhi
_c1996
300 _a475p.
942 _2ddc
999 _c10232
_d10232