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040 _aNITIL
_cNITIL
082 _221st
_a311.2
_bU58C
110 _aUnited States. Bureau of Census. Department of Commerce
245 2 _aA Chapter in population sampling
260 _aWashington
_bU S Government Printing Office
_c1949
300 _avi, 141p.
650 _aSampling (Statistics)Marketing; Estimation theory; Population-Statistics
942 _cBKS
999 _c9551
_d9551