00494nam a22001457a 4500082002700000245006800027250001200095260004800107300001700155526003700172650001300209942001200222999001900234952009500253  a526.33bSURcL-1, P-37  aTriangulation and its computationbSurveyer General of Pakistan  a4th ed.  aMurree:bSurvey of Pakistan office, c1966.  axix, 116p. :  a0b0c0d526_330000000000000_SUR  aMCE9379  2ddccBK  c544057d544057  00102ddc4070aMCEbMCEd2014-04-10l0o526.33 SURpMCE-3070r2014-04-10w2014-04-10yBK