000			00358nam a2200157Ia 4500
008			250104s9999 xx 000 0 und d
020			_a0
082			_a627.131 _bARO
100			_aArora K R.
245		0	_aSurveying
250			_a1st edition.
260			_aNew delhi : _b S Chand _c2010.
300			_a768.
365			_a160
650			_aEngineering,
999			_c223523 _d223523