000 00300nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aCochran WG
245 0 _aSampling Techniques
260 _bWiley Eastern Limited
260 _c1977
365 _b20.00
650 _aStatistics
942 _cBK
999 _c239488
_d239488