00501nam a2200133Ia 4500008004100000040001700041082002200058110004100080245004400121260004100165300001400206500010300220650004400323190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta311.2bI39N  aIndia. National Sample Survey Office 0aNSS 12th round: March 1957- August 1957  aDelhibManager of Publicationsc1962  aiii, 52p.  aContents: no. 69- Notes on the results of the land utilisation survey and crop-cutting experiments  aSampling (Statistics); Landuse, Surveys