00404nam a2200145Ia 4500001000700000008004100007020001800048100002100066245007600087250000800163260000900171300000700180600002100187650005000208aQ3691220802s9999    xx            000 0 und d  a0-7357-0079-6  a Not - Available 0aA+ Certification User Guide:version 1.1 complet effective authoritative  a.NA  c1998  a90  aComputer Science  aComputer science, information & general works