000 00320nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aIRRI
245 0 _aImproving the Productivity & Sustainavility of Rice-Wheat Systems
260 _bIRRI
260 _c2003
365 _b0.00
650 _aAgronomy
942 _cBK
999 _c249380
_d249380