000			00337nam a2200133Ia 4500
008			221231s9999 xx 000 0 und d
100			_aSheare, Lowen _94752
245		0	_aIntroduction to System Dynamics
260			_bAddison -Wesley
260			_c1967
300			_a420
650			_aElectronics and Communication _94753
942			_cBE_BK
999			_c3683 _d3683