00321nam a2200133Ia 4500008004100000040001700041041001200058082001500070100002100085245002500106250001200131260003300143300001100176230917s9999||||xx |||||||||||||| ||und||  e138399aMAIN  aEnglish  a005.1 S55S  aSommerville, Ian 0aSoftware engineering  a5th ed.  aLondonbAddison-Wesleyc1996  a742 p.