000 00311nam a2200145Ia 4500
008 220901s2011 xx 000 0 eng d
082 _a624.1517 DUG
100 _aDuggal ,S.K
245 0 _aSurveying
250 _a3
260 _bTMH
_c2011
_aDelhi
300 _a312
650 _aSurveying
942 _2ddc
_cREF
999 _c2898
_d2898