00472nam a2200157Ia 4500008004100000020001400041082001500055100002100070245006000091250000700151260003800158300002800196500001900224600002100243650005000264240925s9999    xx            000 0 und d  a201435667  a005.42 BEC  aBeck ,Leland  L. 0aSystem Software: an interoduction to system programming  aNA  aBoston:bAddison - Wesleyc,1998.  axxi,671p.bNAfOriginal  aIncludes Index  aComputer Science  aComputer science, information & general works