00386nam a2200133Ia 4500001000500000005001700005008004100022020001500063082001200078100002200090245007100112260002800183650004100211776920261006004040.0120911s9999    xx            000 0 und d  a0471986054  a003 CHE  aCheckland, Peter.  aSoft systems methodology in action / Peter Checkland, Jim Scholes.  aNew York : Wiley, 1999.  aSystem theory    2. System analysis.