| 000 | 00365 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aHumphreys, J.R. | |
| 245 | 1 | _aProtection our country's potato crop how seed potato certification scbeme works | |
| 260 |
_aSalisbury _c1940 |
||
| 300 | _a1-4 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aCrop, Potato Federal Ministry of Agriculture. Bulletin No. 2174 | ||
| 901 | _aS7655 | ||
| 999 |
_c110227 _d110227 |
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