000			00323nam a2200121Ia 4500
082			_a304.60723 _bUNI
100			_aUnited Nations [UN]
245			_aMethodology of demographic sample surveys.
260			_aNew York,Geneva etc _bUnited Nations _c1971
300			_a311p.
890			_aUnited States
999			_c22682 _d22682