| 000 | 00422nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a63(072)(6) | ||
| 100 | _aLipton, M. | ||
| 245 | _aPlace of agricultural research in the development of sub-Saharan Africa | ||
| 260 | _aWashington | ||
| 260 | _c1988 | ||
| 300 | _a1231-1257 p. | ||
| 440 | _aNo. 156; International Food Po | ||
| 901 | _pS40722 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c129804 _d129804 |
||