000			00335nam a2200145Ia 4500
008			170101s1991 xx 000 0 und d
020			_a8127224596
082			_a631.7 LEN
100			_aLenka, D
245		0	_aIrrigation and drainage
250			_a3rd Ed.
260			_aKolkata _bKalyani _c1991
300			_aP.327
942			_2ddc _cBK
999			_c57781 _d57781