00366nam a2200145Ia 4500001000500000005001700005008004100022020001500063082001200078100001700090245004900107250001200156260003200168650002000200196420261006003600.0120911s9999    xx            000 0 und d  a0697076970  a003 GOR  aGore, Marvin  aContemporary systems analysis / Marvin Gore.  a5th ed.  aW.M.C. Brown Communications  aSystem analysis