00385nam a2200133Ia 4500008004100000041000800041082001500049100001700064245006200081260002800143300000800171365001600179700005600195230718s9999    xx            000 0 und d  aeng  a005.1bBER  aBerenbach B.  aSoftware & Systems Requirements Engineering:bIn Practice  c2009bTata Mc-Graw Hill  a321  cRs.b450.00  aBerenbach B., Paulish D., Kazmeier J. & Rudorfer A.