000			00281nam a2200121Ia 4500
008			140317s9999 xx 000 0 und d
082			_a631.7
100			_aCSSRI
245			_aManagement of irrigation system.
260			_aKarnal _bCSSRI _c1990
300			_a325
942			_2ddc _cBK
999			_c12229 _d12229