00378nam a2200145Ia 45000010005000000080041000050200018000460400013000640820016000771000018000932450070001112600033001813000011002145460007002253855140317s9999    xx            000 0 und d  a0-333-63908-1  cPK-LaUMT  a 003bMUM-E  aMumford, Enid  aEffective systems design and requirements analysiscMumford, Enid  aLondon,UK:bMacmillan,c1995  a188 p.  aEN