00470nam a2200133Ia 4500008004100000040001700041082002200058110004100080245003100121260003100152300000900183500009000192650005400282190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta311.2bI39N  aIndia. National Sample Survey Office 0aNSS technical paper series  aCalcuttabThe Authorc1968  a30p.  aContents: Technical paper no. 16 on the unique sample, the surveyed one/by D B Lahirs  aSampling (Statistics); Surveys; Estimation theory