| 000 | 00516nam a2200097Ia 4500 | ||
|---|---|---|---|
| 008 | 120223s9999 xx 000 0 und d | ||
| 082 | _a631.42 HAU | ||
| 100 | _aHauser, G. F. | ||
| 245 | _aSoil fertility investications of fermers fields | ||
| 260 |
_bFood and Agricuture Organization of the United Nations _aRome _c1977 |
||
| 999 |
_c152657 _d152657 |
||