| 000 | 00460nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 160906s9999 xx 000 0 und d | ||
| 100 | _aParikh, K S | ||
| 110 | _aInternational Institute for Applied Systems Analysis | ||
| 245 | _aHYV and Fertilizers-Synergy of Substitution Implications for Policy and Prospects for Agricultural Development | ||
| 260 | _aAustria | ||
| 260 | _bIIASA | ||
| 260 | _c1980 | ||
| 300 | _a60 | ||
| 440 | _aProfessional Paper 80-4 | ||
| 999 |
_c108334 _d108334 |
||