00472nam a22001697a 4500003000400000008004100004020001800045082001600063100001800079245004400097250001500141260004800156300001300204650003700217650003400254650001400288OSt211027b           ||||| |||| 00| 0 eng d  a9789353167509  a526.9bD86S  aDuggal, S. K.  aSurveying /cby S. K. Duggal, Volume- I  a.- 5th ed.  a.- Chennaib: McGraw Hill Educationc, 2019  axx,658p.  aNatural Sciences and Mathematics  aAstronomy and Allied Sciences  aSurveying