000 00274nam a2200121Ia 4500
008 220201s1966 xx 000 0 eng d
082 _a526.9
_bDUG
100 _aDuggal, SK
245 0 _aSurveying
260 _bDelhi: Tata McGraw Hill
_c1966
300 _a662
942 _2ddc
999 _c86300
_d86300