000 00293nam a2200109Ia 4500
008 220201s1997 xx 000 0 eng d
100 _aHUGHES, L.
245 0 _aINTRODUCTION TO DATA COMMUNICATION: A PRACTICE APPROACH
260 _aDELHI
_bNAROSA PUB HOUSE
_c1997
300 _a502
942 _2ddc
999 _c67553
_d67553