000 00293nam a2200121Ia 4500
008 160710s1953 xx 000 0 und d
082 _a311.21 COC
100 _aCOCHRAN,WILLIAM G.
245 _aSAMPLING TECHNIQUES
260 _bASIA PUBLISHING HOUSE
_c1953
300 _a330
942 _2ddc
_cB
999 _c23660
_d23660