00425nam a2200157Ia 4500008004100000041000800041082003100049100001600080245006100096250001200157260003300169300000800202365001600210700001300226710002800239230312s9999    xx            000 0 und d  aeng  a004.16b004.16/ANF/035291   aAnfinson D.  aIt Essentials:bPC Hardware And Software Companion Guide  a3rd Ed.  c2008bPearson Education Pub.  a616  cRs.b575.00  aQuammeK.  aAnfinson D. & Quamme K.