000 00271nam a22001337a 4500
020 _aNA
082 _222
_a526.9
100 _aDuggal, S. K.
245 _aSurveying /
260 _bTata McGraw-Hill,
_cc2005.
300 _a0
_bill. ;
400 _av.2
942 _2ddc
_cCIVIL
999 _c4073
_d4073