000 00295nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a620.7 S539
100 _aSHEARER,J.L
245 0 _aINTRODUCTION TO SYSTEM DYNAMICS
260 _bAddison Wesley
_c1969
300 _a23X121
942 _cBK
_2DDC
999 _c13896
_d13896