000 00400nam a2200169Ia 4500
008 170101s1999 xx 000 0 und d
082 _a631.7 L47I
100 _aLenka, D.
245 0 _aIrrigation and drainage
250 _a2nd rev.
260 _aLudhiana
_bKalyani
_c1999
300 _a22cm. 397
650 _aIRRIGITATION
653 _aDRAINAGE
653 _aIRRIGITATION
942 _2ddc
_cB
999 _c119361
_d119361