| 000 | 00470nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a633.18:633.11:631.588.8 | ||
| 245 | _aImproving the productivity and sustainability of rice-wheat systems of the Indo- | ||
| 260 | _aManila, Philippines | ||
| 260 | _bInternational Rice Research Institute | ||
| 260 | _c2000 | ||
| 300 | _a31p. | ||
| 440 | _aNo.40; IRRI Discussion Paper | ||
| 901 | _pS44785 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c125238 _d125238 |
||