000 00245nam a2200121Ia 4500
999 _c33427
_d33427
020 _a9780070534711
100 _aDuggal S K
245 _aSurveying Vo l- 2
250 _a2
260 _c2004
_bTMH
_aNew Delhi
300 _axii+440
942 _cREF