000			00503nam a2200133Ia 4500
008			120911s9999 xx 000 0 und d
100			_aStallings, William
245			_aData and computer communications / William Stallings.
250			_a9th ed.
260			_bUpper Saddle River, N.J. : Pearson Education, c2011
300			_axvi, 881 p. : ill. ; 23 cm.
650			_aData transmission systems. Computer networks.
999			_c28846 _d28846
952			_w2012-09-11 _p19731 _70 _r2012-09-11 _40 _00 _bNU _yOS _10 _d2012-09-11 _aNU