000 00316nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aNot Available
245 0 _aFarm-Level constraints to high rice yiel
260 _cInternational Rice Research Institute (IRRI)
365 _b0
650 _aNIL
942 _cBK
999 _c101452
_d101452