000			00373nam a2200169Ia 4500
003			0STCL
008			150530s9999 xx 000 0 und d
040			_aSTCL _cSTCL
100			_aCochran, W.G.
245			_aSampling techniques
250			_aThird
260			_bJohn Wiley _c1977
546			_aEnglish
942			_2ddc _cBK
999			_c25819 _d25819
005			20220125170040.0