000 00402nam a2200169Ia 4500
003 OSt
008 181001s1997 xx 000 0 und d
020 _a9789971512712
082 _bCOC
_a519.52
100 _aCochran, William G.
245 0 _aSampling techniques
250 _a3rd
260 _bJohn Wiley & Sons,
_aNew Delhi:
_c©1997
300 _axvi, 428p.
650 _aManagement
942 _2ddc
_cREF
999 _c92
_d92