| 000 | 00334nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 151015s9999 xx 000 0 und d | ||
| 245 | _aTillage and seding practices and machines for crop production in semiarid areas | ||
| 260 | _c1971 | ||
| 300 | _aviii 53p. | ||
| 500 | _aFAO agricultural development paper no- 92 | ||
| 942 |
_cFAO _2udc |
||
| 999 |
_c24054 _d24054 |
||