000 00310nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a300.72 A2D3
100 _aAckoff, Russell L.
245 0 _aDesign of Social Research
260 _aChicago
_bUniversity of Chicago Press
_c1953
300 _a420p.
942 _2ddc
999 _c378
_d378