000 00269nam a2200121Ia 4500
008 220201s1993 xx 000 0 eng d
082 _a526.9
_bKOC
100 _aKochhar, GL
245 0 _aSurveying
260 _bDelhi: Katson Pub
_c1993
300 _a279
942 _2ddc
999 _c86363
_d86363