000 00305nam a2200133Ia 4500
008 220201s2020 xx 000 0 eng d
082 _a526.9 DUG
100 _aDuggal, SK
245 _aSurveying volume-II
250 _a5th
260 _aChennai
_bMGHE
_c2019
300 _axviii, 527p.
942 _2ddc
999 _c30011
_d30011