| 000 | 00384nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aWahlenberg, W.G. | ||
| 245 | _aInvestigationns in weed control by zinc sulphate and other chemicals at the sav | ||
| 260 |
_aWashington _c1930 |
||
| 300 | _a1-36 p. | ||
| 440 | _aUnited States Department of A | ||
| 901 | _a28047 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c5351 _d5351 |
||