00401nam a2200145Ia 450000100060000000800410000602000180004704000130006508200180007810000180009624500710011426000520018530000110023754600070024816971140404s9999    xx            000 0 und d  a0-13-721374-3  cPK-LaUMT  a 005.2bPLA-P  aP. J. Plauger  aProgramming on purpose:bEssays on software design.cP. J. Plauger  aEnglewood Cliffs,USA:bPTR Prentice Hall,c1993  a236 p.  aEN