000			00298nam a22001337a 4500
082			_a526.9 _bGAR _cL-16, p-18.
100			_aGarg, A.R
245			_aSurveying and Leveling _cGarg, A.R
250			_a1st
260			_aLudhiana _bNarang _c1957
300			_a228. p : _c19cm
650			_aMCE
942			_cBK
999			_c4224 _d4224