00372nam a2200145Ia 4500008004100000041000800041082001600049100001300065245006600078250001200144260003300156300000800189365001600197700001300213230718s9999    xx            000 0 und d  aeng  a004.16bREG  aRegan P.  aIT Essential:bPC Hardware And Software Labs and Study Guide   a3rd ed.  c2008bPearson Education Pub.  a433  cRs.b499.00  aRegan P.