000 00282nam a2200121Ia 4500
008 220201s1994 xx 000 0 eng d
100 _aRoddy, Dennis
245 0 _aElectronic communication
250 _a3rd
260 _bIndia: Prentice Hall
_c1994
300 _a788
942 _2ddc
999 _c85749
_d85749