00472nam a2200169Ia 4500003000400000008004100004020001500045082001600060100001700076245004700093260007200140300001000212650003400222650001800256650001400274650001400288OSt170901s1994    xx            000 0 und d  a007460399x  a526.9bB30S  aBasak, N. N. 0aSurveying and Levelling / cby N. N. Basak  a.- New Delhib: Tata McGraw Hill Publishing Company Limitedc, 1994  a549p.  aAstronomy and allied sciences  aPure Sciences  aSurveying  aLevelling