000 00350nam a2200133Ia 4500
005 20260413100714.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _avalkenburg M.e van
245 0 _aIntroduction to modern network system
260 _bN Delhi Wiley Eastern ltd
_c1994
300 _a498
942 _cGB
999 _c3824
_d3824