000 00287nam a2200121 a 4500
003 EIA
001 7261
942 _02
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_cBK
245 _aUnderstanding variation :
_bthe key to managing chaos
260 _c2000
008 141112s2000 ck r 000 u spa d
082 _a658.5
_bW561
999 _c13554
_d13554