000			00412nam a2200181Ia 4500
008			200428s9999||||xx |||||||||||||| ||und||
020			_c325
040			_aMAIN
041			_aEnglish
082			_a005.71 _bSTA
100			_aStalling, William
245			_aData and computer communications
250			_a6th ed.
260			_bPearson Education _c2001
300			_a810p.
650			_aCOMPUTER
942			_cGB
999			_c1906 _d1906