00317nam a2200109Ia 4500008004100000022001900041040002500060082001400085100002400099245005700123260002700180240215s9999    xx            000 0 und d  a 0-07-050783-X  aNORSU-DumcNORSU-Dum  a005.1/P92  a Pressman, Roger S. 0aSoftware engineering a practitioner's approach /2nd   bMcGraw-Hill, Incc1987