| 000 | 00394nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aZingg, A.W., Whitfield, C.J. | ||
| 245 | _aSummary of research experince with stubble-mulch farming in the western states | ||
| 260 |
_aWashington _c1957 |
||
| 300 | _a1-56 p. | ||
| 440 | _aUnited States Department of A | ||
| 901 | _a56766 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c9628 _d9628 |
||