000			00525 a2200205 4500
003			ISURu
005			20240721195455.0
008			200630b ce ||||| |||| 00| 0 sin d
020			_a8120310802
041			_aeng
080			_a004.7 _bUND
100			_aHeld, Gilbert _eed _962112
245			_aUnderstanding data communications
250			_a4th ed.
260			_aNew Delhi _bPrentice Hall _c1996 _g1996
300			_axvii,435 p.
650			_aCOMPUTER SCIENCE
942			_cPR _2ddc
945			_dMain Library ADMIN _c26318
999			_c97172 _d118007