00382nam a2200121Ia 4500008004100000040001700041082002200058110004100080245007300121260002600194300001400220650002600234190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta311.2bI39N  aIndia. National Sample Survey Office 0aNSS 25th round : July 1970-June 1971subround-2-October-December 1970  aNew DelhibNSSOc1975  aiv, 139p.  aSampling (Statistics)