| 000 | 00394nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aKeener, P.D. | ||
| 245 | _aVirus diseases of plant in arizona: II. Field and experimental observations on c | ||
| 260 | _aTucson | ||
| 260 | _c1956 | ||
| 300 | _a28 p. | ||
| 440 | _aNo. 271; Arizona Agricultural | ||
| 901 | _pS14125 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c136545 _d136545 |
||