000			00381nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a0140800719
082			_a658.4034 _bSYS
245			_aSystem Thinking
260			_bPenguin book, _c1969. _aNew York :
300			_a398p.; _c18cm
650		0	_aManagement
700			_aEmery, F.E. _eEd.
942			_2ddc _cLM
999			_c31306 _d31306