000 00278nam a2200109Ia 4500
008 201231s9999 xx 000 0 und d
100 _aEmery, F. E. (ed.)
245 0 _aSystems Thinking : Selected Readings
260 _aHarmondsworth
_bPenguin Books
300 _a398
942 _cBK
999 _c9955
_d9955