000 00279nam a2200109 4500
245 _aWorld dynamics
_cJay W. Forrester
100 _aForrerster, Jay W.
260 _aCambridge
_bMassachusette
_cWright-Allen
300 _ac1971
490 _axiii,142p.; 26cm.
082 _a301.32
_bFOR
999 _c25258
_d25258