000			00346nam a2200145Ia 4500
008			241227s9999 xx 000 0 und d
020			_a81900893408
082			_a627.131 _bARO
100			_aArora, K R.
245		0	_aSurveying
260			_aDelhi : _bStandard Pub, _c1994
300			_a721.
365			_a160
650			_aHydraulic engineering
999			_c147395 _d147395