000 00282nam a2200109Ia 4500
008 220203s9999||||xx |||||||||||||| ||und||
040 _cIAB
100 _aStallings, William
245 0 _aData And Computer Communications-7Th. Ed.
260 _bPEARSON EDUCATION
_c2004
942 _cBOOK
999 _c81023
_d81023