00426nam a2200133Ia 4500008004100000040001700041082002200058110004100080245004500121260004100166300001500207500004400222650002600266190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta311.2bI39N  aIndia. National Sample Survey Office 0aNSS 19th round : July 1964 and June 1965  aDelhibManager of Publicationsc1971  aiii, 120p.  aContents: no. 177- Vital rates in India  aSampling (Statistics)