000			00408nam a2200145Ia 4500
008			190328s9999||||xx |||||||||||||| ||und||
040			_aNITIL _cNITIL
082			_221st _a311.2 _bI39N
110			_aIndia. National Sample Survey Office
245		0	_aNSS 18th round : February 1963- January 1964
260			_aCalcutta _bThe Author _c1967
300			_a200p.
650			_aSampling (Statistics)
942			_cBKS
999			_c39541 _d39541