00350nam a2200133Ia 4500008004100000082001600041100001900057245002800076260003800104300000800142650003400150650001800184653001400202170901s1959    xx            000 0 und d  a526.3bK11S  aKanetkar, T.P. 0aSurveying and Levelling  aPoonabA.V. Griha Prakashanc1959  a595  aAstronomy and allied sciences  aPure Sciences  aSurveying