000 00324nam a2200133Ia 4500
008 220108s9999||||xx |||||||||||||| ||und||
100 _aWILLIAM A. SHAY
245 0 _aUNDERSTANDING DATA COMM. AND NET.
250 _a3RD
260 _bTHOMSON PRESS LTD.
_c2003
300 _a711
650 _aCOMPUTER SCIENCE
942 _cREF
999 _c18562
_d18562