000 00414cam a22001457a 4500
008 180718b2000 xxu||||| |||| 00| 0 eng d
020 _a0471986054
082 _aI571 C414
100 _aCheckland, Peter
245 _aSoft systems methodology: a 30-year retrospective
_cby Peter Checkland
260 _aChichester
_bJohn Wiley
_c2000
300 _a329p.
650 _aSystems engineering
650 _aSystem theory
999 _c398784
_d398784