000 00420nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a631.7
_bG786
110 _aGreat Britain. Agriculture and Fisheries, Ministry of
245 _aCalculation of irrigation need
260 _aLondon
_bHMSO
_c1954
300 _a37p.
650 _aIrrigation of farm land
942 _cBK
999 _c31690
_d31690